Tag Archives: SR71

Steven F. Udvar-Hazy Center: SR-71 Blackbird (starboard profile)

A few nice turning parts manufacturer images I found:

Steven F. Udvar-Hazy Center: SR-71 Blackbird (starboard profile)

Image by Chris Devers
See more photos of this, and the Wikipedia article.

Details, quoting from Smithsonian National Air and Space Museum | Lockheed SR-71 Blackbird:

No reconnaissance aircraft in history has operated globally in more hostile airspace or with such complete impunity than the SR-71, the world’s fastest jet-propelled aircraft. The Blackbird’s performance and operational achievements placed it at the pinnacle of aviation technology developments during the Cold War.

This Blackbird accrued about 2,800 hours of flight time during 24 years of active service with the U.S. Air Force. On its last flight, March 6, 1990, Lt. Col. Ed Yielding and Lt. Col. Joseph Vida set a speed record by flying from Los Angeles to Washington, D.C., in 1 hour, 4 minutes, and 20 seconds, averaging 3,418 kilometers (2,124 miles) per hour. At the flight’s conclusion, they landed at Washington-Dulles International Airport and turned the airplane over to the Smithsonian.

Transferred from the United States Air Force.

Manufacturer:
Lockheed Aircraft Corporation

Designer:
Clarence L. "Kelly" Johnson

Date:
1964

Country of Origin:
United States of America

Dimensions:
Overall: 18ft 5 15/16in. x 55ft 7in. x 107ft 5in., 169998.5lb. (5.638m x 16.942m x 32.741m, 77110.8kg)
Other: 18ft 5 15/16in. x 107ft 5in. x 55ft 7in. (5.638m x 32.741m x 16.942m)

Materials:
Titanium

Physical Description:
Twin-engine, two-seat, supersonic strategic reconnaissance aircraft; airframe constructed largley of titanium and its alloys; vertical tail fins are constructed of a composite (laminated plastic-type material) to reduce radar cross-section; Pratt and Whitney J58 (JT11D-20B) turbojet engines feature large inlet shock cones.

Long Description:
No reconnaissance aircraft in history has operated in more hostile airspace or with such complete impunity than the SR-71 Blackbird. It is the fastest aircraft propelled by air-breathing engines. The Blackbird’s performance and operational achievements placed it at the pinnacle of aviation technology developments during the Cold War. The airplane was conceived when tensions with communist Eastern Europe reached levels approaching a full-blown crisis in the mid-1950s. U.S. military commanders desperately needed accurate assessments of Soviet worldwide military deployments, particularly near the Iron Curtain. Lockheed Aircraft Corporation’s subsonic U-2 (see NASM collection) reconnaissance aircraft was an able platform but the U. S. Air Force recognized that this relatively slow aircraft was already vulnerable to Soviet interceptors. They also understood that the rapid development of surface-to-air missile systems could put U-2 pilots at grave risk. The danger proved reality when a U-2 was shot down by a surface to air missile over the Soviet Union in 1960.

Lockheed’s first proposal for a new high speed, high altitude, reconnaissance aircraft, to be capable of avoiding interceptors and missiles, centered on a design propelled by liquid hydrogen. This proved to be impracticable because of considerable fuel consumption. Lockheed then reconfigured the design for conventional fuels. This was feasible and the Central Intelligence Agency (CIA), already flying the Lockheed U-2, issued a production contract for an aircraft designated the A-12. Lockheed’s clandestine ‘Skunk Works’ division (headed by the gifted design engineer Clarence L. "Kelly" Johnson) designed the A-12 to cruise at Mach 3.2 and fly well above 18,288 m (60,000 feet). To meet these challenging requirements, Lockheed engineers overcame many daunting technical challenges. Flying more than three times the speed of sound generates 316° C (600° F) temperatures on external aircraft surfaces, which are enough to melt conventional aluminum airframes. The design team chose to make the jet’s external skin of titanium alloy to which shielded the internal aluminum airframe. Two conventional, but very powerful, afterburning turbine engines propelled this remarkable aircraft. These power plants had to operate across a huge speed envelope in flight, from a takeoff speed of 334 kph (207 mph) to more than 3,540 kph (2,200 mph). To prevent supersonic shock waves from moving inside the engine intake causing flameouts, Johnson’s team had to design a complex air intake and bypass system for the engines.

Skunk Works engineers also optimized the A-12 cross-section design to exhibit a low radar profile. Lockheed hoped to achieve this by carefully shaping the airframe to reflect as little transmitted radar energy (radio waves) as possible, and by application of special paint designed to absorb, rather than reflect, those waves. This treatment became one of the first applications of stealth technology, but it never completely met the design goals.

Test pilot Lou Schalk flew the single-seat A-12 on April 24, 1962, after he became airborne accidentally during high-speed taxi trials. The airplane showed great promise but it needed considerable technical refinement before the CIA could fly the first operational sortie on May 31, 1967 – a surveillance flight over North Vietnam. A-12s, flown by CIA pilots, operated as part of the Air Force’s 1129th Special Activities Squadron under the "Oxcart" program. While Lockheed continued to refine the A-12, the U. S. Air Force ordered an interceptor version of the aircraft designated the YF-12A. The Skunk Works, however, proposed a "specific mission" version configured to conduct post-nuclear strike reconnaissance. This system evolved into the USAF’s familiar SR-71.

Lockheed built fifteen A-12s, including a special two-seat trainer version. Two A-12s were modified to carry a special reconnaissance drone, designated D-21. The modified A-12s were redesignated M-21s. These were designed to take off with the D-21 drone, powered by a Marquart ramjet engine mounted on a pylon between the rudders. The M-21 then hauled the drone aloft and launched it at speeds high enough to ignite the drone’s ramjet motor. Lockheed also built three YF-12As but this type never went into production. Two of the YF-12As crashed during testing. Only one survives and is on display at the USAF Museum in Dayton, Ohio. The aft section of one of the "written off" YF-12As which was later used along with an SR-71A static test airframe to manufacture the sole SR-71C trainer. One SR-71 was lent to NASA and designated YF-12C. Including the SR-71C and two SR-71B pilot trainers, Lockheed constructed thirty-two Blackbirds. The first SR-71 flew on December 22, 1964. Because of extreme operational costs, military strategists decided that the more capable USAF SR-71s should replace the CIA’s A-12s. These were retired in 1968 after only one year of operational missions, mostly over southeast Asia. The Air Force’s 1st Strategic Reconnaissance Squadron (part of the 9th Strategic Reconnaissance Wing) took over the missions, flying the SR-71 beginning in the spring of 1968.

After the Air Force began to operate the SR-71, it acquired the official name Blackbird– for the special black paint that covered the airplane. This paint was formulated to absorb radar signals, to radiate some of the tremendous airframe heat generated by air friction, and to camouflage the aircraft against the dark sky at high altitudes.

Experience gained from the A-12 program convinced the Air Force that flying the SR-71 safely required two crew members, a pilot and a Reconnaissance Systems Officer (RSO). The RSO operated with the wide array of monitoring and defensive systems installed on the airplane. This equipment included a sophisticated Electronic Counter Measures (ECM) system that could jam most acquisition and targeting radar. In addition to an array of advanced, high-resolution cameras, the aircraft could also carry equipment designed to record the strength, frequency, and wavelength of signals emitted by communications and sensor devices such as radar. The SR-71 was designed to fly deep into hostile territory, avoiding interception with its tremendous speed and high altitude. It could operate safely at a maximum speed of Mach 3.3 at an altitude more than sixteen miles, or 25,908 m (85,000 ft), above the earth. The crew had to wear pressure suits similar to those worn by astronauts. These suits were required to protect the crew in the event of sudden cabin pressure loss while at operating altitudes.

To climb and cruise at supersonic speeds, the Blackbird’s Pratt & Whitney J-58 engines were designed to operate continuously in afterburner. While this would appear to dictate high fuel flows, the Blackbird actually achieved its best "gas mileage," in terms of air nautical miles per pound of fuel burned, during the Mach 3+ cruise. A typical Blackbird reconnaissance flight might require several aerial refueling operations from an airborne tanker. Each time the SR-71 refueled, the crew had to descend to the tanker’s altitude, usually about 6,000 m to 9,000 m (20,000 to 30,000 ft), and slow the airplane to subsonic speeds. As velocity decreased, so did frictional heat. This cooling effect caused the aircraft’s skin panels to shrink considerably, and those covering the fuel tanks contracted so much that fuel leaked, forming a distinctive vapor trail as the tanker topped off the Blackbird. As soon as the tanks were filled, the jet’s crew disconnected from the tanker, relit the afterburners, and again climbed to high altitude.

Air Force pilots flew the SR-71 from Kadena AB, Japan, throughout its operational career but other bases hosted Blackbird operations, too. The 9th SRW occasionally deployed from Beale AFB, California, to other locations to carryout operational missions. Cuban missions were flown directly from Beale. The SR-71 did not begin to operate in Europe until 1974, and then only temporarily. In 1982, when the U.S. Air Force based two aircraft at Royal Air Force Base Mildenhall to fly monitoring mission in Eastern Europe.

When the SR-71 became operational, orbiting reconnaissance satellites had already replaced manned aircraft to gather intelligence from sites deep within Soviet territory. Satellites could not cover every geopolitical hotspot so the Blackbird remained a vital tool for global intelligence gathering. On many occasions, pilots and RSOs flying the SR-71 provided information that proved vital in formulating successful U. S. foreign policy. Blackbird crews provided important intelligence about the 1973 Yom Kippur War, the Israeli invasion of Lebanon and its aftermath, and pre- and post-strike imagery of the 1986 raid conducted by American air forces on Libya. In 1987, Kadena-based SR-71 crews flew a number of missions over the Persian Gulf, revealing Iranian Silkworm missile batteries that threatened commercial shipping and American escort vessels.

As the performance of space-based surveillance systems grew, along with the effectiveness of ground-based air defense networks, the Air Force started to lose enthusiasm for the expensive program and the 9th SRW ceased SR-71 operations in January 1990. Despite protests by military leaders, Congress revived the program in 1995. Continued wrangling over operating budgets, however, soon led to final termination. The National Aeronautics and Space Administration retained two SR-71As and the one SR-71B for high-speed research projects and flew these airplanes until 1999.

On March 6, 1990, the service career of one Lockheed SR-71A Blackbird ended with a record-setting flight. This special airplane bore Air Force serial number 64-17972. Lt. Col. Ed Yeilding and his RSO, Lieutenant Colonel Joseph Vida, flew this aircraft from Los Angeles to Washington D.C. in 1 hour, 4 minutes, and 20 seconds, averaging a speed of 3,418 kph (2,124 mph). At the conclusion of the flight, ‘972 landed at Dulles International Airport and taxied into the custody of the Smithsonian’s National Air and Space Museum. At that time, Lt. Col. Vida had logged 1,392.7 hours of flight time in Blackbirds, more than that of any other crewman.

This particular SR-71 was also flown by Tom Alison, a former National Air and Space Museum’s Chief of Collections Management. Flying with Detachment 1 at Kadena Air Force Base, Okinawa, Alison logged more than a dozen ‘972 operational sorties. The aircraft spent twenty-four years in active Air Force service and accrued a total of 2,801.1 hours of flight time.

Wingspan: 55’7"
Length: 107’5"
Height: 18’6"
Weight: 170,000 Lbs

Reference and Further Reading:

Crickmore, Paul F. Lockheed SR-71: The Secret Missions Exposed. Oxford: Osprey Publishing, 1996.

Francillon, Rene J. Lockheed Aircraft Since 1913. Annapolis, Md.: Naval Institute Press, 1987.

Johnson, Clarence L. Kelly: More Than My Share of It All. Washington D.C.: Smithsonian Institution Press, 1985.

Miller, Jay. Lockheed Martin’s Skunk Works. Leicester, U.K.: Midland Counties Publishing Ltd., 1995.

Lockheed SR-71 Blackbird curatorial file, Aeronautics Division, National Air and Space Museum.

DAD, 11-11-01

One of the Seven Sister houses built by Captain Arnold in Mannum in 1911. They are all identical and made of pressed tin.

Image by denisbin
The historic port township of Mannum is located in one of the very scenic regions of the Murray where high cliffs of Tertiary limestone have been exposed by the meandering river. This limestone is laid down over clay layers and the stone was the obvious building material for buildings in Mannum from its origins. The town name came from the local Aboriginal word for place of many ducks. The first white people to see this area were Captain Charles Sturt and his party of explorers who came down the Murray to its mouth in 1830. In 1839 when the government was offering Special Surveys for the huge sum of £4,000 the so called Thirty Nine Sections survey was taken out along the Murray River where Mannum now stands. A consortium of investors took out this Special survey including John Cocks, Osmond Gilles (the Colonial Treasurer), Edward John Eyre (the explorer), and William Leigh (a Staffordshire benefactor of both the Anglican and Catholic churches in SA). Gilles and Leigh held the largest parcels of the 4,000 acres granted with Gilles’ land on the Adelaide side west of the Murray and Leigh’s on the eastern side. Their land covered the areas from Mannum to where Reedy Creek enters the Murray at Caloote. Both were primarily speculators and no real development happened in the area at this time around 1839. The economic activity of the district occurred on the pastoral lease land of John Baker who held most of the land from the Tungkillo area down to Mannum and the Murray from 1843 onwards. A decade (1853) later William Randell of Gumeracha took out pastoral leases on land between Mannum and the Mt Lofty Ranges to the north of Baker’s leases. His run was called Mannum!

Randell’s interest in the Murray and Mannum began back in 1850 when he would have heard that the Governor, Sir Henry Young, his wife, and a party of others cruised up the Murray from Wellington SA to Wentworth in NSW. Governor Young saw the potential of the river for navigation. A committee was established to investigate this and it included William Younghusband, a friend of Captain Cadell of Goolwa, George Fife Angas and John Baker of Tungkillo. The governor offered a reward for the first paddle steamer to venture up the Murray from Goolwa to Wentworth in NSW and Swan Hill in Victoria to prove its navigability. Younghusband worked with Captain Cadell to get this prize money. Cadell named his boat after the wife of the Governor, Lady Augusta. Meantime, without “entering” the race to navigate up to Wentworth, Captain Randell of Mannum readied his paddle steamer to navigate up to Wentworth and beyond. He had taken out his pastoral lease on the Mannum station in 1853. Randell named his boat after his mother, Mary Ann. Randell set out first for Wentworth (and Echuca beyond) but both boats arrived in Wentworth about the same time in August 1853. Because of his connections to Younghusband and the Governor, who had travelled on Cadell’s boat, Captain Cadell received the prize money of £4,000. Because this smacked of favouritism with almost a touch of official corruption the newspapers in Adelaide complained. Randell asked for nothing but was given a “small financial “reward (£300) by the government. The important outcome of the “race” was the beginnings of the River Murray steamer or paddle boat trade.

In turn this river trade led to the establishment of a small settlement at Mannum but it growth was very slow. Randell built a wool store shed on the banks of the Murray at his wharf on his sheep property at Mannum. This was 1854 and the shed was the first structure in what was to become Mannum. Two years later (1856) Randell built a house at Mannum and opened a store here for passing trade. Around that time the government began selling freehold blocks of 50 to 80 acres along the Murray. Consequently the first “settlers” arrived in Mannum, William Baseby and Carl Polack. The first hotel was opened, the Old Bogan, in 1860. The government could see a town emerging privately so they surveyed a government town and port in 1864 downstream from Randell’s wharf area, just beyond what is now the Mary Ann Reserve. Randell had the best spot and the government town did not develop so Randell had a private town surveyed in 1869. This prospered and constitutes the central part of Mannum today. Settlers took up town blocks; Randell donated land for a school in 1871, a flour mill operated by another family opened in 1876, and Mrs. Randell had opened the Bogan store in 1863. More stores followed. The government ferry service began in 1875 and Mannum Council was formed in 1877. Ironically this mid 1870s boom also saw the death of William Randell’s father in Gumeracha. He died at the family estate Kenton Park at Gumeracha in 1876 and is buried in the Baptist church cemetery there. But the town of Mannum was still developing with the churches opening: the Methodist Church in 1880 – replaced 1896; St. Martin’s Lutheran Church in 1882; the Zion Lutheran in 1893; the Presbyterian Church in 1886; the Anglican Church in 1910; and finally the Catholic Church in 1913. The town Institute opened in 1882 and the private school of 1871 was taken over by the state government in 1885. This real boom in the town’s growth came after the settlement of the Murray Flats for wheat farming from 1872 onwards. The founder of Mannum, William Randell died in 1911 but after his father had died in 1876, William Randell had left Mannum and retired to Kenton Park in Gumeracha. His son Murray Randell took over the family river boat business in Mannum from 1899 onwards and had full control of it from 1911. Flour from the family mills in Gumeracha was carted to Mannum and then shipped to the gold mining centres around Bendigo in the 1860s and 1870s. Apart from Mannum, the Randells also had shipping offices in Wentworth.

Among the many stores and businesses in Mannum was the Eudunda Farmers store number 32 which opened in 1926. Like a number of Eudunda Farmers Stores it is still operating in the same location in the Main Street but under the Foodland banner these days.

Industry in Mannum.
1. Walker & Sons Flour Mill. Benjamin Walker had managed a flour mill in Mt Torrens for some time. He moved to Mannum and laid the foundation stone of a new flour mill in 1874 opening it two years later just as the farming boom began on the Murray Flats. It was updated with rollers in 1888 and the steam boiler was replaced with a gas one in 1910. Flour milled here often ended up in Bourke or Wentworth or even parts of southern Queensland near Cunnamulla. It was transported upstream by paddle steamers. When Benjamin died in 1884 his son John took over the mill. Amazingly the mill remained in the Walker family and operated for over 100 years, probably a record for SA. It closed in 1978 after 102 years of operation. Today only four flour mills are left in SA – Cummins, Strathalbyn, Port Adelaide and Mile End compared with 65 at the time of federation in 1901. No SA flour is exported today.

2. Dry Dock. William Randell formed ‘The River Murray Dry Dock Company’ around 1874 to finance the dock which he purchased from Landseer Shipping agents in Milang. The dry dock was floated up to Mannum and located into the river bank so that it was no longer a floating dock. A cutting was made into the bank to accommodate the 144 feet long dry dock. It took over a year to complete the work for the dock to open for business in 1876. With so many steamers plying the river the dry dock was always busy repairing barges and steamers and it created employment for a number of local men but it never made any significant financial returns for William Randell. After William Randell died in 1911 the dry dock was sold to a Swedish resident of Mannum, Johan Arnold, a riverboat man. Arnold had settled in Mannum in 1889. He worked the dry dock and built ships in Mannum including the Renmark, J.G. Arnold, Wilcannia, Nellie, Mundoo, Goldsborough and Murrumbidgee and some other barges. He then established his own shipping company called River Steamers Limited. They traded up to Hay, Wentworth and beyond. He later built the largest steamer ever built in SA, the Mannum. It was 150 feet long. Arnold soon had 80 men on his payroll between the dry dock and his shipping company, spread across all the major river ports where he had shipping offices. Disaster struck in 1921 when the Mannum caught fire whilst docked in Mannum. It was destroyed. Arnold’s house was called Esmeralda. He donated nearby land for the Mannum Hospital and the Anglican Church and he subdivided the rest of his land for town blocks. Captain Arnold died in 1949.

3. Shearers. John and David Shearer arrived in SA from Scotland in 1852. John followed in his father’s footsteps and learnt to be a blacksmith opening his first business in Mt Torrens in 1871 the year he married his 15 year old bride. Five years later in 1876 he opened a blacksmithing works in Mannum. It grew slowly. Brother David had joined the business in 1877 and he helped with the expansion of the business. John invented and patented throughout Australia wrought iron plough shears in 1888 that were a quarter of the price of most others. They were also not brittle like the cast iron plough shears and they lasted longer. The business now expanded greatly with an Australia wide market. They also produced stump jump ploughs and mechanical parts for river steamers. By 1919 Shearers employed over 100 people making agricultural implements, most of which were transported interstate although many of these products were produced in their Kilkenny plant in Adelaide which they had opened in 1904. They made strippers, wagons, harrows, ploughs, harvesters etc. In 1910 the partnership dissolved with David and sons keeping the Mannum plant and and John and sons keeping the Kilkenny plant. At that time David moved the Mannum Shearer factory from Anna Street out to Adelaide Road.

During World War One David’s Mannum plant made ammunition wagons, stirrups etc. In 1952 Shearers became a public company and consequently in 1972 it was taken over by another Adelaide agricultural machinery manufacturer Horwood Bagshaws. They then sold up the Adelaide works and continued production in Mannum. At its peak Horwood Bagshaws employed around 380 people in Mannum. After going into receivership in 1990 the struggling manufacturer was purchased in 1998 by Sweeney Investments from Adelaide. This company still markets implements as Horwood Bagshaws but it also does engineering work for mining companies, defence organisations, and other industries located all over Australia. It employs around 50 people and numerous contractors.
But David Shearer the founder is known for more than being an agricultural implement maker. He was a self educated scientists and “dreamer.” In 1907 he joined the NSW Branch of the British Astronomical Association. He went on to build his own telescope and observatory, the first private one in SA. The simple limestone building, now rendered with cement, had a typical domed roof with sliding panels on a steel track. The telescope is gone and the roof would have to be altered again for the building to be used as an observatory. The adjoining David Shearer House has also been altered especially Shearer’s octagonal lookout tower for night sky observations. Both buildings are on the Register of the National Estate. David Shearer’s other claim to fame is the invention of the first motor car in Australia. In the early 1890s he designed and then built in 1897 a steam powered and propelled vehicle which travelled at 15 miles per hour. He based his design on the transfer of power from engine to wheels that had been used for steam powered tractors. The first car to appear in England was in 1899 and Henry Ford developed his first car in the USA in 1908. David Shearer was ahead of his time but his invention was based on steam power and the future for cars was on the petrol based vehicles invented in Germany in 1885. (Benz began manufacturing petrol driven cars in Germany in 1888 and Bernardi invented the first petrol driven motorcycle in 1882 in Italy.) Shearer’s car however, managed trips of up to 100 kms and he drove it from Mannum to Adelaide in 1900. David then turned his inventing attentions to a mechanical harvester. The Shearer car is now in the Birdwood Mill Museum.

4. Butter factory. The old butter factory which has more recently been an antiques and collectibles shop was established in 1924. It opened as the Producers Supply and Butter Company. It competed with Farmers Union which had opened a butter factory in Murray Bridge in 1922. The Mannum butter factory was located by the river as most milk arrived at the factory by milk barge. (Farmers’ Union in Murray Bridge owned four river barges for carting fresh milk to its factory there). Archie Schofield purchased the Mannum butter factory and took control in 1932. After a fire it was rebuilt in 1935. The Schofields operated the butter factory until it was sold to Farmers’ Union in 1955. It was then submerged by the 1956 Murray flood and appears not to have re-opened as a butter factory.

Paddle Steamer Marion and Mannum Dock Museum.
The Museum entrance fee is .50 or for a concession. It includes the Randell Dry Dock, the Paddle Steamer Marion, the Keys Beam engine and displays on Murray River floods, the life cycle of the Murray, the Ngarrindjeri dreaming, and the history of white settlement in Mannum. But from the outside you can still see the restored Paddle Steamer Marion provided it is not cruising the Murray. Its history goes back to 1897 when it was built by Landseers at Milang. At over 100 feet long it was one of the bigger river steamers. After a long history of river trading her transportation days ended when her owners went into liquidation in 1952. She was sold on to several owners before she ended up being a floating boarding house. In 1963 the National Trust purchased her as a monument to the riverboat trade. She was sailed down to Mannum to be the centre piece of the NT Museum there. For over thirty years she languished in a dilapidated state in the Museum. In 1989 she was restored so that she could be used as a working river vessel with her being recommissioned in 1994. She occasionally does river trips for paying passengers. Some of her most interesting journeys were promotional trips paid for by the SA government. One was in 1910 for the Scottish Agricultural Commission when members visited SA. They travelled down from Mildura in the PS Marion. Another was in 1915 when the SA government paid for a trip by Australian parliamentarians, both Federal and state parliamentarians. Politicians from all states except Western Australian participated including the Premier of NSW, the Prime Minister, Andrew Fisher, and the Attorney General, Billy Hughes who became the next Prime Minster. The promotional journey was to familiarise the politicians with the construction of Weir Number One across the Murray at Blanchetown which was then nearing completion.

Some Mannum Buildings.

1. The Anglican Church of St. Andrew was opened in 1910. Before that time the Anglicans attended services when the paddle steamer Etona visited the town.

2. The Mannum hospital was built in 1921 on land donated by Captain Arnold. The grounds incorporated his former home, Esmeralda which he purchased in 1905. Captain Arnold had settled in Mannum in 1889.

3. The Baptist Church. It began life as the Presbyterian Church in 1886 but was sold just three years later to the Baptists. The Randell family were Baptists and worshipped there.

4. Shearer Business Complex dating from 1876. The site of the original Shearer factory is now a car park but with fine memorial gates. Along one side is a fine old stone building which was once the Shearer company offices but it is now a Laundromat. Above the factory site is the Shearer House which is actually in Anna Street. A fine set of steps leads up from the Main Street to Anna Street. It is an imposing house overlooking the Main Street with a central part and two added wings. Originally one wing had a tower for astronomical observations. Adjacent to the house is the ruins of the Shearer Observatory. It is a round structure and once had a domed roof with sliding panels for the telescope to be used for observation. It is on the Register of the National Estate but urgently needs restoration.

5. The Institute was opened in 1882 and extended in 1911 with a Classical style façade with a triangular pediment above the entrance.

6. The Pretoria Hotel in the Main Street. It opened in 1900 when the Boer War was at its height hence the name.

7. The Mannum Hotel. The first hotel was erected on this site in 1866 for Randell. It was rebuilt as the Bogan Hotel in 1869. The upper floor was added in the 1870s. It was also the site for the first Council meetings of Mannum.

8. The Old Woolshed was built by Captain Randell in 1854 as the first structure in his Port of Mannum.

9. St. Martin’s Lutheran Church opened in 1882. A Lutheran school operated here from 1884-1917 when the Government closed all Lutheran schools. For many years (43) the congregation as led by Pastor Ey. A second congregation opened a second Lutheran church in Mannum called the Zion Lutheran in 1893. Its parent church was in Palmer.

10. Bleak House. The four roomed house built by Captain Randell in 1856 is up the hill from his wharf. It was the first stone structure in the town. This structure would be the rear part of the current building. The front part dates from the 1860s, probably 1869 when Randell subdivided part of his land to create the township of Mannum.

11. The Catholic Church of Mount Carmel. This was opened in 1913.

12. The Methodist Church, now the Uniting. The first church was built in 1880. But the construction was poor and the church was pulled down a few years later. In 1896 the second Methodist church opened on the same site. The current church was built in 1954 and replaced the earlier one.

Steven F. Udvar-Hazy Center: SR-71 Blackbird best view panorama

A handful of nice surface grinding aluminum pictures I discovered:

Steven F. Udvar-Hazy Center: SR-71 Blackbird best view panorama

Image by Chris Devers
See far more images of this, and the Wikipedia report.

Specifics, quoting from Smithsonian National Air and Space Museum | Lockheed SR-71 Blackbird:

No reconnaissance aircraft in history has operated globally in a lot more hostile airspace or with such complete impunity than the SR-71, the world’s quickest jet-propelled aircraft. The Blackbird’s functionality and operational achievements placed it at the pinnacle of aviation technologies developments during the Cold War.

This Blackbird accrued about two,800 hours of flight time for the duration of 24 years of active service with the U.S. Air Force. On its final flight, March 6, 1990, Lt. Col. Ed Yielding and Lt. Col. Joseph Vida set a speed record by flying from Los Angeles to Washington, D.C., in 1 hour, 4 minutes, and 20 seconds, averaging 3,418 kilometers (2,124 miles) per hour. At the flight’s conclusion, they landed at Washington-Dulles International Airport and turned the airplane over to the Smithsonian.

Transferred from the United States Air Force.

Manufacturer:
Lockheed Aircraft Corporation

Designer:
Clarence L. &quotKelly&quot Johnson

Date:
1964

Country of Origin:
United States of America

Dimensions:
General: 18ft five 15/16in. x 55ft 7in. x 107ft 5in., 169998.5lb. (5.638m x 16.942m x 32.741m, 77110.8kg)
Other: 18ft 5 15/16in. x 107ft 5in. x 55ft 7in. (five.638m x 32.741m x 16.942m)

Materials:
Titanium

Physical Description:
Twin-engine, two-seat, supersonic strategic reconnaissance aircraft airframe constructed largley of titanium and its alloys vertical tail fins are constructed of a composite (laminated plastic-kind material) to minimize radar cross-section Pratt and Whitney J58 (JT11D-20B) turbojet engines function big inlet shock cones.

Long Description:
No reconnaissance aircraft in history has operated in a lot more hostile airspace or with such full impunity than the SR-71 Blackbird. It is the quickest aircraft propelled by air-breathing engines. The Blackbird’s performance and operational achievements placed it at the pinnacle of aviation technologies developments in the course of the Cold War. The airplane was conceived when tensions with communist Eastern Europe reached levels approaching a complete-blown crisis in the mid-1950s. U.S. military commanders desperately needed accurate assessments of Soviet worldwide military deployments, specifically close to the Iron Curtain. Lockheed Aircraft Corporation’s subsonic U-two (see NASM collection) reconnaissance aircraft was an able platform but the U. S. Air Force recognized that this comparatively slow aircraft was currently vulnerable to Soviet interceptors. They also understood that the rapid development of surface-to-air missile systems could place U-2 pilots at grave risk. The danger proved reality when a U-two was shot down by a surface to air missile over the Soviet Union in 1960.

Lockheed’s 1st proposal for a new high speed, higher altitude, reconnaissance aircraft, to be capable of avoiding interceptors and missiles, centered on a design and style propelled by liquid hydrogen. This proved to be impracticable since of considerable fuel consumption. Lockheed then reconfigured the design and style for standard fuels. This was feasible and the Central Intelligence Agency (CIA), already flying the Lockheed U-2, issued a production contract for an aircraft designated the A-12. Lockheed’s clandestine ‘Skunk Works’ division (headed by the gifted design and style engineer Clarence L. &quotKelly&quot Johnson) developed the A-12 to cruise at Mach 3.2 and fly nicely above 18,288 m (60,000 feet). To meet these challenging specifications, Lockheed engineers overcame numerous daunting technical challenges. Flying far more than three instances the speed of sound generates 316° C (600° F) temperatures on external aircraft surfaces, which are sufficient to melt conventional aluminum airframes. The design team chose to make the jet’s external skin of titanium alloy to which shielded the internal aluminum airframe. Two standard, but really potent, afterburning turbine engines propelled this exceptional aircraft. These energy plants had to operate across a massive speed envelope in flight, from a takeoff speed of 334 kph (207 mph) to far more than three,540 kph (two,200 mph). To avert supersonic shock waves from moving inside the engine intake causing flameouts, Johnson’s team had to design and style a complex air intake and bypass method for the engines.

Skunk Operates engineers also optimized the A-12 cross-section style to exhibit a low radar profile. Lockheed hoped to achieve this by carefully shaping the airframe to reflect as small transmitted radar power (radio waves) as feasible, and by application of special paint created to absorb, rather than reflect, these waves. This therapy became one of the very first applications of stealth technology, but it by no means completely met the design ambitions.

Test pilot Lou Schalk flew the single-seat A-12 on April 24, 1962, right after he became airborne accidentally in the course of high-speed taxi trials. The airplane showed wonderful guarantee but it necessary considerable technical refinement ahead of the CIA could fly the very first operational sortie on May possibly 31, 1967 – a surveillance flight over North Vietnam. A-12s, flown by CIA pilots, operated as portion of the Air Force’s 1129th Special Activities Squadron below the &quotOxcart&quot program. Even though Lockheed continued to refine the A-12, the U. S. Air Force ordered an interceptor version of the aircraft designated the YF-12A. The Skunk Works, however, proposed a &quotspecific mission&quot version configured to conduct post-nuclear strike reconnaissance. This method evolved into the USAF’s familiar SR-71.

Lockheed constructed fifteen A-12s, including a particular two-seat trainer version. Two A-12s have been modified to carry a unique reconnaissance drone, designated D-21. The modified A-12s were redesignated M-21s. These had been developed to take off with the D-21 drone, powered by a Marquart ramjet engine mounted on a pylon between the rudders. The M-21 then hauled the drone aloft and launched it at speeds high enough to ignite the drone’s ramjet motor. Lockheed also constructed 3 YF-12As but this variety never ever went into production. Two of the YF-12As crashed throughout testing. Only one survives and is on show at the USAF Museum in Dayton, Ohio. The aft section of one particular of the &quotwritten off&quot YF-12As which was later utilized along with an SR-71A static test airframe to manufacture the sole SR-71C trainer. 1 SR-71 was lent to NASA and designated YF-12C. Including the SR-71C and two SR-71B pilot trainers, Lockheed constructed thirty-two Blackbirds. The first SR-71 flew on December 22, 1964. Since of intense operational expenses, military strategists decided that the a lot more capable USAF SR-71s should replace the CIA’s A-12s. These were retired in 1968 following only one particular year of operational missions, largely more than southeast Asia. The Air Force’s 1st Strategic Reconnaissance Squadron (part of the 9th Strategic Reconnaissance Wing) took over the missions, flying the SR-71 beginning in the spring of 1968.

Soon after the Air Force began to operate the SR-71, it acquired the official name Blackbird– for the unique black paint that covered the airplane. This paint was formulated to absorb radar signals, to radiate some of the tremendous airframe heat generated by air friction, and to camouflage the aircraft against the dark sky at high altitudes.

Encounter gained from the A-12 plan convinced the Air Force that flying the SR-71 safely necessary two crew members, a pilot and a Reconnaissance Systems Officer (RSO). The RSO operated with the wide array of monitoring and defensive systems installed on the airplane. This equipment included a sophisticated Electronic Counter Measures (ECM) system that could jam most acquisition and targeting radar. In addition to an array of advanced, high-resolution cameras, the aircraft could also carry equipment designed to record the strength, frequency, and wavelength of signals emitted by communications and sensor devices such as radar. The SR-71 was made to fly deep into hostile territory, avoiding interception with its tremendous speed and high altitude. It could operate safely at a maximum speed of Mach 3.3 at an altitude more than sixteen miles, or 25,908 m (85,000 ft), above the earth. The crew had to put on pressure suits similar to these worn by astronauts. These suits were required to protect the crew in the event of sudden cabin stress loss whilst at operating altitudes.

To climb and cruise at supersonic speeds, the Blackbird’s Pratt &amp Whitney J-58 engines were made to operate constantly in afterburner. Even though this would seem to dictate higher fuel flows, the Blackbird really achieved its greatest &quotgas mileage,&quot in terms of air nautical miles per pound of fuel burned, for the duration of the Mach 3+ cruise. A typical Blackbird reconnaissance flight might call for many aerial refueling operations from an airborne tanker. Each time the SR-71 refueled, the crew had to descend to the tanker’s altitude, normally about 6,000 m to 9,000 m (20,000 to 30,000 ft), and slow the airplane to subsonic speeds. As velocity decreased, so did frictional heat. This cooling effect triggered the aircraft’s skin panels to shrink significantly, and those covering the fuel tanks contracted so a lot that fuel leaked, forming a distinctive vapor trail as the tanker topped off the Blackbird. As quickly as the tanks had been filled, the jet’s crew disconnected from the tanker, relit the afterburners, and once again climbed to high altitude.

Air Force pilots flew the SR-71 from Kadena AB, Japan, all through its operational profession but other bases hosted Blackbird operations, as well. The 9th SRW sometimes deployed from Beale AFB, California, to other areas to carryout operational missions. Cuban missions have been flown straight from Beale. The SR-71 did not begin to operate in Europe until 1974, and then only temporarily. In 1982, when the U.S. Air Force primarily based two aircraft at Royal Air Force Base Mildenhall to fly monitoring mission in Eastern Europe.

When the SR-71 became operational, orbiting reconnaissance satellites had currently replaced manned aircraft to collect intelligence from sites deep inside Soviet territory. Satellites could not cover each geopolitical hotspot so the Blackbird remained a vital tool for international intelligence gathering. On numerous occasions, pilots and RSOs flying the SR-71 offered details that proved important in formulating effective U. S. foreign policy. Blackbird crews offered essential intelligence about the 1973 Yom Kippur War, the Israeli invasion of Lebanon and its aftermath, and pre- and post-strike imagery of the 1986 raid carried out by American air forces on Libya. In 1987, Kadena-based SR-71 crews flew a quantity of missions more than the Persian Gulf, revealing Iranian Silkworm missile batteries that threatened industrial shipping and American escort vessels.

As the efficiency of space-primarily based surveillance systems grew, along with the effectiveness of ground-primarily based air defense networks, the Air Force started to shed enthusiasm for the expensive plan and the 9th SRW ceased SR-71 operations in January 1990. Despite protests by military leaders, Congress revived the program in 1995. Continued wrangling over operating budgets, even so, soon led to final termination. The National Aeronautics and Space Administration retained two SR-71As and the one particular SR-71B for higher-speed investigation projects and flew these airplanes until 1999.

On March 6, 1990, the service profession of one Lockheed SR-71A Blackbird ended with a record-setting flight. This specific airplane bore Air Force serial quantity 64-17972. Lt. Col. Ed Yeilding and his RSO, Lieutenant Colonel Joseph Vida, flew this aircraft from Los Angeles to Washington D.C. in 1 hour, 4 minutes, and 20 seconds, averaging a speed of 3,418 kph (two,124 mph). At the conclusion of the flight, ‘972 landed at Dulles International Airport and taxied into the custody of the Smithsonian’s National Air and Space Museum. At that time, Lt. Col. Vida had logged 1,392.7 hours of flight time in Blackbirds, more than that of any other crewman.

This specific SR-71 was also flown by Tom Alison, a former National Air and Space Museum’s Chief of Collections Management. Flying with Detachment 1 at Kadena Air Force Base, Okinawa, Alison logged far more than a dozen ‘972 operational sorties. The aircraft spent twenty-4 years in active Air Force service and accrued a total of 2,801.1 hours of flight time.

Wingspan: 55’7&quot
Length: 107’5&quot
Height: 18’6&quot
Weight: 170,000 Lbs

Reference and Further Reading:

Crickmore, Paul F. Lockheed SR-71: The Secret Missions Exposed. Oxford: Osprey Publishing, 1996.

Francillon, Rene J. Lockheed Aircraft Given that 1913. Annapolis, Md.: Naval Institute Press, 1987.

Johnson, Clarence L. Kelly: A lot more Than My Share of It All. Washington D.C.: Smithsonian Institution Press, 1985.

Miller, Jay. Lockheed Martin’s Skunk Operates. Leicester, U.K.: Midland Counties Publishing Ltd., 1995.

Lockheed SR-71 Blackbird curatorial file, Aeronautics Division, National Air and Space Museum.

DAD, 11-11-01

Steven F. Udvar-Hazy Center: Space Shuttle Enterprise (crew working by a hatch by the back starboard wing)

Image by Chris Devers
See more photos of this, and the Wikipedia article.

Specifics, quoting from Smithsonian National Air and Space Museum | Space Shuttle Enterprise:

Manufacturer:
Rockwell International Corporation

Nation of Origin:
United States of America

Dimensions:
General: 57 ft. tall x 122 ft. extended x 78 ft. wing span, 150,000 lb.
(1737.36 x 3718.57 x 2377.44cm, 68039.6kg)

Components:
Aluminum airframe and physique with some fiberglass characteristics payload bay doors are graphite epoxy composite thermal tiles are simulated (polyurethane foam) except for test samples of actual tiles and thermal blankets.

The 1st Space Shuttle orbiter, &quotEnterprise,&quot is a complete-scale test car utilized for flights in the atmosphere and tests on the ground it is not equipped for spaceflight. Though the airframe and flight manage elements are like these of the Shuttles flown in space, this vehicle has no propulsion method and only simulated thermal tiles because these features were not necessary for atmospheric and ground tests. &quotEnterprise&quot was rolled out at Rockwell International’s assembly facility in Palmdale, California, in 1976. In 1977, it entered service for a nine-month-extended method-and-landing test flight plan. Thereafter it was utilized for vibration tests and fit checks at NASA centers, and it also appeared in the 1983 Paris Air Show and the 1984 World’s Fair in New Orleans. In 1985, NASA transferred &quotEnterprise&quot to the Smithsonian Institution’s National Air and Space Museum.

Transferred from National Aeronautics and Space Administration

• • •

Quoting from Wikipedia | Space Shuttle Enterprise:

The Space Shuttle Enterprise (NASA Orbiter Car Designation: OV-101) was the initial Space Shuttle orbiter. It was built for NASA as component of the Space Shuttle plan to carry out test flights in the atmosphere. It was constructed without having engines or a functional heat shield, and was as a result not capable of spaceflight.

Initially, Enterprise had been intended to be refitted for orbital flight, which would have produced it the second space shuttle to fly after Columbia. Even so, during the building of Columbia, details of the final style changed, especially with regard to the weight of the fuselage and wings. Refitting Enterprise for spaceflight would have involved dismantling the orbiter and returning the sections to subcontractors across the nation. As this was an high-priced proposition, it was determined to be much less costly to develop Challenger about a body frame (STA-099) that had been created as a test post. Similarly, Enterprise was considered for refit to replace Challenger following the latter was destroyed, but Endeavour was constructed from structural spares alternatively.

Service

Construction started on the initial orbiter on June four, 1974. Designated OV-101, it was originally planned to be named Constitution and unveiled on Constitution Day, September 17, 1976. A write-in campaign by Trekkies to President Gerald Ford asked that the orbiter be named after the Starship Enterprise, featured on the tv show Star Trek. Even though Ford did not mention the campaign, the president—who during Planet War II had served on the aircraft carrier USS&nbspMonterey&nbsp(CVL-26) that served with USS&nbspEnterprise&nbsp(CV-six)—said that he was &quotpartial to the name&quot and overrode NASA officials.

The style of OV-101 was not the identical as that planned for OV-102, the first flight model the tail was constructed differently, and it did not have the interfaces to mount OMS pods. A big quantity of subsystems—ranging from primary engines to radar equipment—were not installed on this car, but the capacity to add them in the future was retained. As an alternative of a thermal protection technique, its surface was mainly fiberglass.

In mid-1976, the orbiter was used for ground vibration tests, permitting engineers to examine information from an actual flight automobile with theoretical models.

On September 17, 1976, Enterprise was rolled out of Rockwell’s plant at Palmdale, California. In recognition of its fictional namesake, Star Trek creator Gene Roddenberry and most of the principal cast of the original series of Star Trek were on hand at the dedication ceremony.

Strategy and landing tests (ALT)

Main post: Approach and Landing Tests

On January 31, 1977, it was taken by road to Dryden Flight Research Center at Edwards Air Force Base, to start operational testing.

Whilst at NASA Dryden, Enterprise was utilized by NASA for a selection of ground and flight tests intended to validate elements of the shuttle system. The initial nine-month testing period was referred to by the acronym ALT, for &quotApproach and Landing Test&quot. These tests integrated a maiden &quotflight&quot on February 18, 1977 atop a Boeing 747 Shuttle Carrier Aircraft (SCA) to measure structural loads and ground handling and braking characteristics of the mated technique. Ground tests of all orbiter subsystems were carried out to confirm functionality prior to atmospheric flight.

The mated Enterprise/SCA mixture was then subjected to five test flights with Enterprise unmanned and unactivated. The objective of these test flights was to measure the flight traits of the mated combination. These tests had been followed with 3 test flights with Enterprise manned to test the shuttle flight handle systems.

Enterprise underwent five free flights exactly where the craft separated from the SCA and was landed below astronaut control. These tests verified the flight characteristics of the orbiter design and style and had been carried out below numerous aerodynamic and weight configurations. On the fifth and final glider flight, pilot-induced oscillation difficulties have been revealed, which had to be addressed ahead of the initial orbital launch occurred.

On August 12, 1977, the space shuttle Enterprise flew on its personal for the very first time.

Preparation for STS-1

Following the ALT system, Enterprise was ferried among several NASA facilities to configure the craft for vibration testing. In June 1979, it was mated with an external tank and solid rocket boosters (known as a boilerplate configuration) and tested in a launch configuration at Kennedy Space Center Launch Pad 39A.

Retirement

With the completion of critical testing, Enterprise was partially disassembled to permit particular components to be reused in other shuttles, then underwent an international tour going to France, Germany, Italy, the United Kingdom, Canada, and the U.S. states of California, Alabama, and Louisiana (during the 1984 Louisiana World Exposition). It was also used to fit-verify the never ever-utilised shuttle launch pad at Vandenberg AFB, California. Ultimately, on November 18, 1985, Enterprise was ferried to Washington, D.C., where it became house of the Smithsonian Institution.

Post-Challenger

Soon after the Challenger disaster, NASA regarded as utilizing Enterprise as a replacement. Even so refitting the shuttle with all of the essential equipment required for it to be employed in space was deemed, but as an alternative it was decided to use spares constructed at the very same time as Discovery and Atlantis to construct Endeavour.

Post-Columbia

In 2003, soon after the breakup of Columbia in the course of re-entry, the Columbia Accident Investigation Board carried out tests at Southwest Study Institute, which utilized an air gun to shoot foam blocks of related size, mass and speed to that which struck Columbia at a test structure which mechanically replicated the orbiter wing top edge. They removed a fiberglass panel from Enterprise’s wing to carry out evaluation of the material and attached it to the test structure, then shot a foam block at it. Although the panel was not broken as a result of the test, the effect was enough to permanently deform a seal. As the reinforced carbon-carbon (RCC) panel on Columbia was two.5 times weaker, this recommended that the RCC leading edge would have been shattered. Extra tests on the fiberglass had been canceled in order not to threat damaging the test apparatus, and a panel from Discovery was tested to determine the effects of the foam on a similarly-aged RCC leading edge. On July 7, 2003, a foam effect test produced a hole 41&nbspcm by 42.five&nbspcm (16.1&nbspinches by 16.7&nbspinches) in the protective RCC panel. The tests clearly demonstrated that a foam effect of the kind Columbia sustained could seriously breach the protective RCC panels on the wing top edge.

The board determined that the probable lead to of the accident was that the foam impact caused a breach of a reinforced carbon-carbon panel along the leading edge of Columbia’s left wing, permitting hot gases generated in the course of re-entry to enter the wing and lead to structural collapse. This brought on Columbia to spin out of control, breaking up with the loss of the entire crew.

Museum exhibit

Enterprise was stored at the Smithsonian’s hangar at Washington Dulles International Airport before it was restored and moved to the newly built Smithsonian’s National Air and Space Museum‘s Steven F. Udvar-Hazy Center at Dulles International Airport, exactly where it has been the centerpiece of the space collection. On April 12, 2011, NASA announced that Space Shuttle Discovery, the most traveled orbiter in the fleet, will be added to the collection as soon as the Shuttle fleet is retired. When that happens, Enterprise will be moved to the Intrepid Sea-Air-Space Museum in New York City, to a newly constructed hangar adjacent to the museum. In preparation for the anticipated relocation, engineers evaluated the vehicle in early 2010 and determined that it was protected to fly on the Shuttle Carrier Aircraft once once again.

Steven F. Udvar-Hazy Center: Lockheed SR-71 Blackbird port panorama (F-4 Corsair & P-40 Warhawk overhead)

Some cool plastic machining business images:

Steven F. Udvar-Hazy Center: Lockheed SR-71 Blackbird port panorama (F-4 Corsair & P-40 Warhawk overhead)

Image by Chris Devers
See a lot more pictures of this, and the Wikipedia report.

Specifics, quoting from Smithsonian National Air and Space Museum | Curtiss P-40E Warhawk (Kittyhawk IA):

Regardless of whether known as the Warhawk, Tomahawk, or Kittyhawk, the Curtiss P-40 proved to be a productive, versatile fighter during the initial half of Globe War II. The shark-mouthed Tomahawks that Gen. Claire Chennault’s &quotFlying Tigers&quot flew in China against the Japanese remain among the most common airplanes of the war. P-40E pilot Lt. Boyd D. Wagner became the very first American ace of Planet War II when he shot down six Japanese aircraft in the Philippines in mid-December 1941.

Curtiss-Wright constructed this airplane as Model 87-A3 and delivered it to Canada as a Kittyhawk I in 1941. It served until 1946 in No. 111 Squadron, Royal Canadian Air Force. U.S. Air Force personnel at Andrews Air Force Base restored it in 1975 to represent an aircraft of the 75th Fighter Squadron, 23rd Fighter Group, 14th Air Force.

Donated by the Exchange Club in Memory of Kellis Forbes.

Manufacturer:
Curtiss Aircraft Business

Date:
1939

Country of Origin:
United States of America

Dimensions:
All round: 330 x 970cm, 2686kg, 1140cm (10ft 9 15/16in. x 31ft 9 7/8in., 5921.6lb., 37ft 4 13/16in.)

Components:
All-metal, semi-monocoque

Physical Description:
Single engine, single seat, fighter aircraft.

• • • • •

See far more images of this, and the Wikipedia post.

Specifics, quoting from Smithsonian National Air and Space Museum | Lockheed SR-71 Blackbird:

No reconnaissance aircraft in history has operated globally in much more hostile airspace or with such total impunity than the SR-71, the world’s fastest jet-propelled aircraft. The Blackbird’s efficiency and operational achievements placed it at the pinnacle of aviation technologies developments in the course of the Cold War.

This Blackbird accrued about two,800 hours of flight time throughout 24 years of active service with the U.S. Air Force. On its final flight, March six, 1990, Lt. Col. Ed Yielding and Lt. Col. Joseph Vida set a speed record by flying from Los Angeles to Washington, D.C., in 1 hour, four minutes, and 20 seconds, averaging three,418 kilometers (two,124 miles) per hour. At the flight’s conclusion, they landed at Washington-Dulles International Airport and turned the airplane more than to the Smithsonian.

Transferred from the United States Air Force.

Manufacturer:
Lockheed Aircraft Corporation

Designer:
Clarence L. &quotKelly&quot Johnson

Date:
1964

Country of Origin:
United States of America

Dimensions:
Overall: 18ft 5 15/16in. x 55ft 7in. x 107ft 5in., 169998.5lb. (5.638m x 16.942m x 32.741m, 77110.8kg)
Other: 18ft 5 15/16in. x 107ft 5in. x 55ft 7in. (5.638m x 32.741m x 16.942m)

Materials:
Titanium

Physical Description:
Twin-engine, two-seat, supersonic strategic reconnaissance aircraft airframe constructed largley of titanium and its alloys vertical tail fins are constructed of a composite (laminated plastic-type material) to lessen radar cross-section Pratt and Whitney J58 (JT11D-20B) turbojet engines function large inlet shock cones.

• • • • •

See more photographs of this, and the Wikipedia report.

Particulars, quoting from Smithsonian National Air and Space Museum | Vought F4U-1D Corsair:

By V-J Day, September two, 1945, Corsair pilots had amassed an 11:1 kill ratio against enemy aircraft. The aircraft’s distinctive inverted gull-wing design and style allowed ground clearance for the huge, 3-bladed Hamilton Regular Hydromatic propeller, which spanned much more than 4 meters (13 feet). The Pratt and Whitney R-2800 radial engine and Hydromatic propeller was the biggest and a single of the most strong engine-propeller combinations ever flown on a fighter aircraft.

Charles Lindbergh flew bombing missions in a Corsair with Marine Air Group 31 against Japanese strongholds in the Pacific in 1944. This airplane is painted in the colors and markings of the Corsair Sun Setter, a Marine close-help fighter assigned to the USS Essex in July 1944.

Transferred from the United States Navy.

Manufacturer:
Vought Aircraft Firm

Date:
1940

Nation of Origin:
United States of America

Dimensions:
Overall: 460 x 1020cm, 4037kg, 1250cm (15ft 1 1/8in. x 33ft 5 9/16in., 8900lb., 41ft 1/8in.)

Components:
All metal with fabric-covered wings behind the main spar.

Physical Description:
R-2800 radial air-cooled engine with 1,850 horsepower, turned a three-blade Hamilton Normal Hydromatic propeller with solid aluminum blades spanning 13 feet 1 inch wing bent gull-shaped on both sides of the fuselage.

Hasegawa 1/72 Grumman F-11F-1 Tiger, extended nose, Blue Angel #1

Image by wbaiv
Blue Angels Tigers have been the longest serving Tigers. Its a pretty tiny airplane but technologies was moving so speedily that supersonic in level flight, four X 20mm cannon, and in-flight refueling capability weren’t enough to make a Visual Flight Guidelines (VFR – ie not evening/all weather, no radar in the nose…) fighter extremely interesting to the Navy. For a complete redesign that was initially pitched as a derivative of the F9F Cougar/Panther, the TIger is a fairly neat piece of function.
But with Vought’s F8U-1 Crusader and McDonnell F3H-1 Demon carrying some radar and promising much more, along with much more internal volume for fuel, the Tiger was good, but not very great sufficient.
The massive fin and rudder had been direct final results of the F-100C crash that killed test pilot George Welch- North American doubled the size of the F-100D’s fin and rudder. Grumman revised their prototype really swiftly when word got back from Edwards AFB, where both the F9F-11 and F-one hundred had been getting tested. Soon the F9F-11 was the F-11F-1 and a really modern-sized fin and rudder graced every Tiger that flew. The Tiger was also region ruled from the onset – taking a lesson from the tough luck of the Lockheed YP-90 and Convair YF-102, which looked great but could not get past the drag boost of the &quotsound barrier&quot.
It all seems so incredible, Vought, Lockheed, Grumman, North American, McDonnell, Convair, not to overlook Douglas, Republic, (and dark-horses Northrup, Boeing and Martin) all creating single-seat jet fighters in the USA, although AVRO Canada was conceiving the CF-105 to follow the CF-100s. AVRO, de Havilland, Bristol, Hawker, Supermarine (and other individuals?) have been designing single-seat fighters in the UK NORD and Dassault were lighting up French skies, and Bill Lear Jr was leading the design and style of an indigenous *Swiss* single seat jet. MiG, Yak, Sukoi and Tupolev had been all at it in the Soviet Union also.
Jet engine power and economy were nothing like today- they were heavy, weak, and blew fuel out the tail-pipe as if it expense

An Odd Sense of Tidiness?

Image by Alan Stanton
Beer can on the railings of Chestnuts Park. 30 January 2013.

Our buddy Lix Ixer and I have attempted to envision what may well be in people’s minds when they litter. Especially when an individual seems to take slightly more care than just dropping or tossing away a drink can.

On Harringay Online internet site Liz recommended a list of nine &quottypes&quot of litterers. Study the full version here. The drink-can spiker may belong to Liz’s very first variety.

Liz Ixer’s List of &quottypes&quot of litterers.

1 &quotThere is often an odd sense of ‘tidiness’ about some litterers: these are the ones who meticulously pop their cans and paper down the backs of utility cabinets, balance them on walls or tuck them down the side of planters. A small bit of them knows what they are performing is wrong and they hope by getting ‘tidy’, they offend less (perhaps there is a distant memory of a mum or dad telling them to put it in the bin).&quot

two &quotFervent believers in the Haringey litter gods who should be propitiated with frequent offerings&quot.
3 &quotThose for whom littering is a civil liberties situation. You don’t have the right to inform them what to do with their lives, which includes what they do with their litter.&quot
four &quotSweet old ladies who cautiously sweep their front step and garden every single morning and then open the front gate and whoosh it all into the street. &quot
5 &quotThe group who believe they are keeping men and women in employment by spreading the litter far and wide.&quot
six &quotThe bone idle litterer . . . who can see a litter bin within a stride but can not be arsed to go 1 step out of their way to deposit their waste.&quot
7 &quotCar diners . . . who park up, acquire a fast meals delicacy from the several fine establishments in the area, return to their automobile, fill up on grease and carbs then pile the packaging into the gutter prior to driving off.&quot
eight &quotThe litter deniers …. have two excuses for themselves: ‘my one particular bottle/can/wrapper will not hurt as there is a bag awaiting collection anyway’ or ‘I would use a bin but they are as well manky/complete/hard to use’,&quot
9 &quotThe inebriated. After six lagers for £5, I doubt you could see the bin, let alone navigate your way to it.&quot

The aim is that by by understanding people’s behaviour it may possibly be changed. &quotWe require&quot, says Liz Ixer, &quotto be far more inventive and inventive in how we get people to be far more accountable.&quot

Liz mentions past public education campaigns. Also some current initiatives. Examples incorporate: a lot more incentives for people to recycle decreasing the use of plastic bags higher engagement with little quick meals outlets to assist clean up and with businesses to decrease packaging.

___________________________________

§ Read Liz Ixer’s comprehensive comment on Harringay On the internet web site..
§ This approach to behaviour alter has parallels with concepts in the book: Nudge: Enhancing Choices about Wellness, Wealth and Happiness by Richard Thaler and Cass Sunstein (2008).
§ Nudge employing a image of a housefly. Explained in a video of Richard Thaler.
§ Video of Cass Sunstein explaining Nudge at the WGBH Cambridge Forum.
§ Aerial view of exactly where I took this photo.
§ Pictures by Liz Ixer on Flickr.
§ By an Edinburgh cash machine – an impulse to tidiness?

.ten a gallon, which it most likely did. But they went faster the propeller engines. Compare the subterfuge and trickery all of these airframe firms of the 1950s were applying to the jet fighters of right now – tail surfaces are are nonetheless sharply swept, but wings got a lot straighter, since yet another ton or two of thrust is easier to make than a thin, tapering, swept structure that is stiff enough to do the job and cheap adequate to construct.
But the F11F or MiG-19, F-one hundred, F-8 Crusader, even the F-4 Phantom look like they’re going twice the speed of an F/A-18 or even the supercruise-capable F-22. (Supersonic without having afterburner).

IMG_6562

Steven F. Udvar-Hazy Center: Photomontage of SR-71 on the port side

A handful of nice surface grinding aluminum photos I found:

Steven F. Udvar-Hazy Center: Photomontage of SR-71 on the port side

Image by Chris Devers
Posted by way of e-mail to ☛ HoloChromaCinePhotoRamaScope‽: cdevers.posterous.com/panoramas-of-the-sr-71-blackbird-at…. See the full gallery on Posterous …

• • • • •

See a lot more images of this, and the Wikipedia post.

Details, quoting from Smithsonian National Air and Space Museum | Lockheed SR-71 Blackbird:

No reconnaissance aircraft in history has operated globally in a lot more hostile airspace or with such comprehensive impunity than the SR-71, the world’s quickest jet-propelled aircraft. The Blackbird’s efficiency and operational achievements placed it at the pinnacle of aviation technology developments throughout the Cold War.

This Blackbird accrued about 2,800 hours of flight time for the duration of 24 years of active service with the U.S. Air Force. On its final flight, March 6, 1990, Lt. Col. Ed Yielding and Lt. Col. Joseph Vida set a speed record by flying from Los Angeles to Washington, D.C., in 1 hour, 4 minutes, and 20 seconds, averaging 3,418 kilometers (2,124 miles) per hour. At the flight’s conclusion, they landed at Washington-Dulles International Airport and turned the airplane over to the Smithsonian.

Transferred from the United States Air Force.

Manufacturer:
Lockheed Aircraft Corporation

Designer:
Clarence L. &quotKelly&quot Johnson

Date:
1964

Nation of Origin:
United States of America

Dimensions:
All round: 18ft five 15/16in. x 55ft 7in. x 107ft 5in., 169998.5lb. (5.638m x 16.942m x 32.741m, 77110.8kg)
Other: 18ft 5 15/16in. x 107ft 5in. x 55ft 7in. (5.638m x 32.741m x 16.942m)

Components:
Titanium

Physical Description:
Twin-engine, two-seat, supersonic strategic reconnaissance aircraft airframe constructed largley of titanium and its alloys vertical tail fins are constructed of a composite (laminated plastic-type material) to minimize radar cross-section Pratt and Whitney J58 (JT11D-20B) turbojet engines function huge inlet shock cones.

Long Description:
No reconnaissance aircraft in history has operated in more hostile airspace or with such full impunity than the SR-71 Blackbird. It is the fastest aircraft propelled by air-breathing engines. The Blackbird’s performance and operational achievements placed it at the pinnacle of aviation technologies developments throughout the Cold War. The airplane was conceived when tensions with communist Eastern Europe reached levels approaching a complete-blown crisis in the mid-1950s. U.S. military commanders desperately required precise assessments of Soviet worldwide military deployments, particularly near the Iron Curtain. Lockheed Aircraft Corporation’s subsonic U-2 (see NASM collection) reconnaissance aircraft was an able platform but the U. S. Air Force recognized that this fairly slow aircraft was currently vulnerable to Soviet interceptors. They also understood that the fast development of surface-to-air missile systems could put U-two pilots at grave threat. The danger proved reality when a U-2 was shot down by a surface to air missile over the Soviet Union in 1960.

Lockheed’s initial proposal for a new higher speed, higher altitude, reconnaissance aircraft, to be capable of avoiding interceptors and missiles, centered on a design and style propelled by liquid hydrogen. This proved to be impracticable simply because of considerable fuel consumption. Lockheed then reconfigured the design and style for conventional fuels. This was feasible and the Central Intelligence Agency (CIA), already flying the Lockheed U-two, issued a production contract for an aircraft designated the A-12. Lockheed’s clandestine ‘Skunk Works’ division (headed by the gifted style engineer Clarence L. &quotKelly&quot Johnson) developed the A-12 to cruise at Mach 3.two and fly well above 18,288 m (60,000 feet). To meet these difficult requirements, Lockheed engineers overcame a lot of daunting technical challenges. Flying far more than three instances the speed of sound generates 316° C (600° F) temperatures on external aircraft surfaces, which are adequate to melt standard aluminum airframes. The style group chose to make the jet’s external skin of titanium alloy to which shielded the internal aluminum airframe. Two standard, but extremely effective, afterburning turbine engines propelled this exceptional aircraft. These energy plants had to operate across a large speed envelope in flight, from a takeoff speed of 334 kph (207 mph) to much more than 3,540 kph (2,200 mph). To avoid supersonic shock waves from moving inside the engine intake causing flameouts, Johnson’s group had to style a complicated air intake and bypass program for the engines.

Skunk Functions engineers also optimized the A-12 cross-section design and style to exhibit a low radar profile. Lockheed hoped to attain this by carefully shaping the airframe to reflect as tiny transmitted radar energy (radio waves) as attainable, and by application of particular paint designed to absorb, rather than reflect, those waves. This treatment became one particular of the very first applications of stealth technologies, but it never totally met the style objectives.

Test pilot Lou Schalk flew the single-seat A-12 on April 24, 1962, following he became airborne accidentally in the course of high-speed taxi trials. The airplane showed great promise but it required considerable technical refinement prior to the CIA could fly the first operational sortie on May possibly 31, 1967 – a surveillance flight more than North Vietnam. A-12s, flown by CIA pilots, operated as portion of the Air Force’s 1129th Specific Activities Squadron beneath the &quotOxcart&quot program. While Lockheed continued to refine the A-12, the U. S. Air Force ordered an interceptor version of the aircraft designated the YF-12A. The Skunk Performs, nevertheless, proposed a &quotspecific mission&quot version configured to conduct post-nuclear strike reconnaissance. This system evolved into the USAF’s familiar SR-71.

Lockheed built fifteen A-12s, which includes a specific two-seat trainer version. Two A-12s have been modified to carry a particular reconnaissance drone, designated D-21. The modified A-12s have been redesignated M-21s. These have been designed to take off with the D-21 drone, powered by a Marquart ramjet engine mounted on a pylon among the rudders. The M-21 then hauled the drone aloft and launched it at speeds high enough to ignite the drone’s ramjet motor. Lockheed also built 3 YF-12As but this kind in no way went into production. Two of the YF-12As crashed in the course of testing. Only 1 survives and is on show at the USAF Museum in Dayton, Ohio. The aft section of one particular of the &quotwritten off&quot YF-12As which was later employed along with an SR-71A static test airframe to manufacture the sole SR-71C trainer. 1 SR-71 was lent to NASA and designated YF-12C. Which includes the SR-71C and two SR-71B pilot trainers, Lockheed constructed thirty-two Blackbirds. The initial SR-71 flew on December 22, 1964. Because of extreme operational fees, military strategists decided that the far more capable USAF SR-71s need to replace the CIA’s A-12s. These have been retired in 1968 soon after only 1 year of operational missions, mainly over southeast Asia. The Air Force’s 1st Strategic Reconnaissance Squadron (portion of the 9th Strategic Reconnaissance Wing) took more than the missions, flying the SR-71 beginning in the spring of 1968.

Right after the Air Force began to operate the SR-71, it acquired the official name Blackbird– for the unique black paint that covered the airplane. This paint was formulated to absorb radar signals, to radiate some of the tremendous airframe heat generated by air friction, and to camouflage the aircraft against the dark sky at high altitudes.

Knowledge gained from the A-12 system convinced the Air Force that flying the SR-71 safely necessary two crew members, a pilot and a Reconnaissance Systems Officer (RSO). The RSO operated with the wide array of monitoring and defensive systems installed on the airplane. This gear included a sophisticated Electronic Counter Measures (ECM) technique that could jam most acquisition and targeting radar. In addition to an array of sophisticated, high-resolution cameras, the aircraft could also carry equipment designed to record the strength, frequency, and wavelength of signals emitted by communications and sensor devices such as radar. The SR-71 was made to fly deep into hostile territory, avoiding interception with its tremendous speed and high altitude. It could operate safely at a maximum speed of Mach 3.3 at an altitude more than sixteen miles, or 25,908 m (85,000 ft), above the earth. The crew had to put on stress suits comparable to these worn by astronauts. These suits were essential to shield the crew in the event of sudden cabin stress loss although at operating altitudes.

To climb and cruise at supersonic speeds, the Blackbird’s Pratt &amp Whitney J-58 engines had been made to operate constantly in afterburner. Even though this would appear to dictate high fuel flows, the Blackbird truly accomplished its very best &quotgas mileage,&quot in terms of air nautical miles per pound of fuel burned, during the Mach 3+ cruise. A typical Blackbird reconnaissance flight might require many aerial refueling operations from an airborne tanker. Each time the SR-71 refueled, the crew had to descend to the tanker’s altitude, typically about six,000 m to 9,000 m (20,000 to 30,000 ft), and slow the airplane to subsonic speeds. As velocity decreased, so did frictional heat. This cooling impact triggered the aircraft’s skin panels to shrink considerably, and these covering the fuel tanks contracted so considerably that fuel leaked, forming a distinctive vapor trail as the tanker topped off the Blackbird. As quickly as the tanks were filled, the jet’s crew disconnected from the tanker, relit the afterburners, and again climbed to higher altitude.

Air Force pilots flew the SR-71 from Kadena AB, Japan, throughout its operational career but other bases hosted Blackbird operations, also. The 9th SRW sometimes deployed from Beale AFB, California, to other places to carryout operational missions. Cuban missions had been flown straight from Beale. The SR-71 did not begin to operate in Europe until 1974, and then only temporarily. In 1982, when the U.S. Air Force primarily based two aircraft at Royal Air Force Base Mildenhall to fly monitoring mission in Eastern Europe.

When the SR-71 became operational, orbiting reconnaissance satellites had already replaced manned aircraft to collect intelligence from sites deep inside Soviet territory. Satellites could not cover each geopolitical hotspot so the Blackbird remained a important tool for global intelligence gathering. On numerous occasions, pilots and RSOs flying the SR-71 offered data that proved crucial in formulating successful U. S. foreign policy. Blackbird crews provided crucial intelligence about the 1973 Yom Kippur War, the Israeli invasion of Lebanon and its aftermath, and pre- and post-strike imagery of the 1986 raid conducted by American air forces on Libya. In 1987, Kadena-primarily based SR-71 crews flew a quantity of missions more than the Persian Gulf, revealing Iranian Silkworm missile batteries that threatened commercial shipping and American escort vessels.

As the overall performance of space-primarily based surveillance systems grew, along with the effectiveness of ground-based air defense networks, the Air Force started to lose enthusiasm for the expensive plan and the 9th SRW ceased SR-71 operations in January 1990. Despite protests by military leaders, Congress revived the program in 1995. Continued wrangling more than operating budgets, even so, soon led to final termination. The National Aeronautics and Space Administration retained two SR-71As and the a single SR-71B for high-speed investigation projects and flew these airplanes till 1999.

On March 6, 1990, the service career of a single Lockheed SR-71A Blackbird ended with a record-setting flight. This special airplane bore Air Force serial number 64-17972. Lt. Col. Ed Yeilding and his RSO, Lieutenant Colonel Joseph Vida, flew this aircraft from Los Angeles to Washington D.C. in 1 hour, four minutes, and 20 seconds, averaging a speed of 3,418 kph (two,124 mph). At the conclusion of the flight, ‘972 landed at Dulles International Airport and taxied into the custody of the Smithsonian’s National Air and Space Museum. At that time, Lt. Col. Vida had logged 1,392.7 hours of flight time in Blackbirds, much more than that of any other crewman.

This particular SR-71 was also flown by Tom Alison, a former National Air and Space Museum’s Chief of Collections Management. Flying with Detachment 1 at Kadena Air Force Base, Okinawa, Alison logged a lot more than a dozen ‘972 operational sorties. The aircraft spent twenty-four years in active Air Force service and accrued a total of 2,801.1 hours of flight time.

Wingspan: 55’7&quot
Length: 107’5&quot
Height: 18’6&quot
Weight: 170,000 Lbs

Reference and Further Reading:

Crickmore, Paul F. Lockheed SR-71: The Secret Missions Exposed. Oxford: Osprey Publishing, 1996.

Francillon, Rene J. Lockheed Aircraft Since 1913. Annapolis, Md.: Naval Institute Press, 1987.

Johnson, Clarence L. Kelly: More Than My Share of It All. Washington D.C.: Smithsonian Institution Press, 1985.

Miller, Jay. Lockheed Martin’s Skunk Functions. Leicester, U.K.: Midland Counties Publishing Ltd., 1995.

Lockheed SR-71 Blackbird curatorial file, Aeronautics Division, National Air and Space Museum.

DAD, 11-11-01

Steven F. Udvar-Hazy Center: View down onto SR-71 Blackbird & Boeing P-26A Peashooter

Check out these surface grinding aluminum photos:

Steven F. Udvar-Hazy Center: View down onto SR-71 Blackbird & Boeing P-26A Peashooter

Image by Chris Devers
See a lot more photos of this, and the Wikipedia write-up.

Specifics, quoting from Smithsonian National Air and Space Museum | Boeing P-26A Peashooter:

The Boeing P-26A of the mid-to-late 1930s introduced the notion of the high-overall performance, all-metal monoplane fighter design and style, which would grow to be regular throughout World War II. A radical departure from wood-and-fabric biplanes, the Peashooter nonetheless retained an open cockpit, fixed landing gear, and external wing bracing.

Most P-26As stationed overseas had been ultimately sold to the Philippines or assigned to the Panama Canal Division Air Force, a branch of the U.S. Army Air Corps. Numerous went to China and one to Spain. This a single was primarily based at Selfridge Field in Michigan and Fairfield Air Depot in Ohio among its acceptance by the U.S. Army Air Corps in 1934 and its transfer to the Canal Zone in 1938. It was provided to Guatemala in 1942 and flew in the Guatemalan air force until 1954. Guatemala donated it to the Smithsonian in 1957.

Present of the Guatemalan Air Force, Republic of Guatemala

Manufacturer:
Boeing Aircraft Co.

Date:
1934

Nation of Origin:
United States of America

Dimensions:
Wingspan: eight.5 m (27 ft 11 in)
Length:7.three m (23 ft 11 in)
Height:three.1 m (10 ft 2 in)
Weight, empty:996 kg (two,196 lb)
Weight, gross:1,334 kg (two,935 lb)
Top speed:377 km/h (234 mph)
Engine:Pratt &amp Whitney R-1340-27, 600 hp
Armament:two .30 cal. M2 Browning aircraft machine guns

• • •

Quoting from Boeing History | P-26 &quotPeashooter&quot Fighter:

The all-metal, single-wing P-26, popularly identified as the &quotPeashooter,&quot was an totally new design and style for Boeing, and its structure drew heavily on the Monomail. The Peashooter’s wings have been braced with wire, rather than with the rigid struts utilised on other airplanes, so the airplane was lighter and had much less drag. Its initial high landing speeds have been lowered by the addition of wing flaps in the production models.

Since the P-26 flew 27 mph faster and outclimbed biplane fighters, the Army ordered 136 production-model Peashooters. Acclaimed by pilots for its speed and maneuverability, the modest but feisty P-26 formed the core of pursuit squadrons all through the United States.

Twelve export versions, 11 for China and 1 for Spain, were built. One of a group of P-26s, turned more than to the Philippine Army late in 1941, was among the first Allied fighters to down a Japanese airplane in Globe War II.

Funds to purchase the export version of the Peashooter have been partly raised by Chinese Americans. Contribution boxes were placed on the counters of Chinese restaurants.

Specifications

• 1st flight: March 20, 1932
• Model quantity: 248/266
• Classification: Fighter
• Span: 28 feet
• Length: 23 feet 7 inches
• Gross weight: 2,995 pounds
• Leading speed: 234 mph
• Cruising speed: 200 mph
• Range: 635 miles
• Ceiling: 27,400 feet
• Power: 600-horsepower P&ampW Wasp engine
• Accommodation: 1 pilot
• Armament: two machine guns, 200-pound bomb load

• • • • •

See far more pictures of this, and the Wikipedia article.

Details, quoting from Smithsonian National Air and Space Museum | Lockheed SR-71 Blackbird:

No reconnaissance aircraft in history has operated globally in a lot more hostile airspace or with such full impunity than the SR-71, the world’s fastest jet-propelled aircraft. The Blackbird’s efficiency and operational achievements placed it at the pinnacle of aviation technologies developments during the Cold War.

This Blackbird accrued about 2,800 hours of flight time throughout 24 years of active service with the U.S. Air Force. On its last flight, March 6, 1990, Lt. Col. Ed Yielding and Lt. Col. Joseph Vida set a speed record by flying from Los Angeles to Washington, D.C., in 1 hour, four minutes, and 20 seconds, averaging 3,418 kilometers (two,124 miles) per hour. At the flight’s conclusion, they landed at Washington-Dulles International Airport and turned the airplane more than to the Smithsonian.

Transferred from the United States Air Force.

Manufacturer:
Lockheed Aircraft Corporation

Designer:
Clarence L. &quotKelly&quot Johnson

Date:
1964

Country of Origin:
United States of America

Dimensions:
General: 18ft 5 15/16in. x 55ft 7in. x 107ft 5in., 169998.5lb. (5.638m x 16.942m x 32.741m, 77110.8kg)
Other: 18ft 5 15/16in. x 107ft 5in. x 55ft 7in. (5.638m x 32.741m x 16.942m)

Materials:
Titanium

Physical Description:
Twin-engine, two-seat, supersonic strategic reconnaissance aircraft airframe constructed largley of titanium and its alloys vertical tail fins are constructed of a composite (laminated plastic-type material) to lessen radar cross-section Pratt and Whitney J58 (JT11D-20B) turbojet engines feature huge inlet shock cones.

Extended Description:
No reconnaissance aircraft in history has operated in more hostile airspace or with such total impunity than the SR-71 Blackbird. It is the fastest aircraft propelled by air-breathing engines. The Blackbird’s efficiency and operational achievements placed it at the pinnacle of aviation technologies developments throughout the Cold War. The airplane was conceived when tensions with communist Eastern Europe reached levels approaching a full-blown crisis in the mid-1950s. U.S. military commanders desperately necessary accurate assessments of Soviet worldwide military deployments, especially close to the Iron Curtain. Lockheed Aircraft Corporation’s subsonic U-two (see NASM collection) reconnaissance aircraft was an able platform but the U. S. Air Force recognized that this comparatively slow aircraft was already vulnerable to Soviet interceptors. They also understood that the fast improvement of surface-to-air missile systems could place U-2 pilots at grave risk. The danger proved reality when a U-2 was shot down by a surface to air missile more than the Soviet Union in 1960.

Lockheed’s first proposal for a new higher speed, higher altitude, reconnaissance aircraft, to be capable of avoiding interceptors and missiles, centered on a design and style propelled by liquid hydrogen. This proved to be impracticable since of considerable fuel consumption. Lockheed then reconfigured the style for conventional fuels. This was feasible and the Central Intelligence Agency (CIA), already flying the Lockheed U-2, issued a production contract for an aircraft designated the A-12. Lockheed’s clandestine ‘Skunk Works’ division (headed by the gifted style engineer Clarence L. &quotKelly&quot Johnson) developed the A-12 to cruise at Mach 3.2 and fly properly above 18,288 m (60,000 feet). To meet these challenging specifications, Lockheed engineers overcame a lot of daunting technical challenges. Flying much more than three instances the speed of sound generates 316° C (600° F) temperatures on external aircraft surfaces, which are adequate to melt traditional aluminum airframes. The design and style team chose to make the jet’s external skin of titanium alloy to which shielded the internal aluminum airframe. Two standard, but really potent, afterburning turbine engines propelled this exceptional aircraft. These power plants had to operate across a enormous speed envelope in flight, from a takeoff speed of 334 kph (207 mph) to more than three,540 kph (two,200 mph). To avert supersonic shock waves from moving inside the engine intake causing flameouts, Johnson’s group had to design a complicated air intake and bypass technique for the engines.

Skunk Operates engineers also optimized the A-12 cross-section design and style to exhibit a low radar profile. Lockheed hoped to achieve this by cautiously shaping the airframe to reflect as small transmitted radar power (radio waves) as achievable, and by application of special paint made to absorb, rather than reflect, these waves. This treatment became a single of the 1st applications of stealth technology, but it by no means fully met the design objectives.

Test pilot Lou Schalk flew the single-seat A-12 on April 24, 1962, after he became airborne accidentally in the course of high-speed taxi trials. The airplane showed great promise but it necessary considerable technical refinement just before the CIA could fly the initial operational sortie on Might 31, 1967 – a surveillance flight over North Vietnam. A-12s, flown by CIA pilots, operated as portion of the Air Force’s 1129th Particular Activities Squadron below the &quotOxcart&quot program. Although Lockheed continued to refine the A-12, the U. S. Air Force ordered an interceptor version of the aircraft designated the YF-12A. The Skunk Performs, nonetheless, proposed a &quotspecific mission&quot version configured to conduct post-nuclear strike reconnaissance. This system evolved into the USAF’s familiar SR-71.

Lockheed constructed fifteen A-12s, including a special two-seat trainer version. Two A-12s were modified to carry a particular reconnaissance drone, designated D-21. The modified A-12s were redesignated M-21s. These had been developed to take off with the D-21 drone, powered by a Marquart ramjet engine mounted on a pylon amongst the rudders. The M-21 then hauled the drone aloft and launched it at speeds higher enough to ignite the drone’s ramjet motor. Lockheed also constructed 3 YF-12As but this sort never ever went into production. Two of the YF-12As crashed throughout testing. Only a single survives and is on show at the USAF Museum in Dayton, Ohio. The aft section of 1 of the &quotwritten off&quot YF-12As which was later utilised along with an SR-71A static test airframe to manufacture the sole SR-71C trainer. A single SR-71 was lent to NASA and designated YF-12C. Including the SR-71C and two SR-71B pilot trainers, Lockheed constructed thirty-two Blackbirds. The first SR-71 flew on December 22, 1964. Because of extreme operational costs, military strategists decided that the more capable USAF SR-71s should replace the CIA’s A-12s. These had been retired in 1968 following only one particular year of operational missions, mostly over southeast Asia. The Air Force’s 1st Strategic Reconnaissance Squadron (portion of the 9th Strategic Reconnaissance Wing) took over the missions, flying the SR-71 starting in the spring of 1968.

Soon after the Air Force began to operate the SR-71, it acquired the official name Blackbird– for the unique black paint that covered the airplane. This paint was formulated to absorb radar signals, to radiate some of the tremendous airframe heat generated by air friction, and to camouflage the aircraft against the dark sky at higher altitudes.

Experience gained from the A-12 program convinced the Air Force that flying the SR-71 safely necessary two crew members, a pilot and a Reconnaissance Systems Officer (RSO). The RSO operated with the wide array of monitoring and defensive systems installed on the airplane. This equipment included a sophisticated Electronic Counter Measures (ECM) technique that could jam most acquisition and targeting radar. In addition to an array of sophisticated, higher-resolution cameras, the aircraft could also carry gear created to record the strength, frequency, and wavelength of signals emitted by communications and sensor devices such as radar. The SR-71 was designed to fly deep into hostile territory, avoiding interception with its tremendous speed and higher altitude. It could operate safely at a maximum speed of Mach three.three at an altitude far more than sixteen miles, or 25,908 m (85,000 ft), above the earth. The crew had to wear pressure suits comparable to these worn by astronauts. These suits have been needed to shield the crew in the occasion of sudden cabin pressure loss even though at operating altitudes.

To climb and cruise at supersonic speeds, the Blackbird’s Pratt &amp Whitney J-58 engines were developed to operate constantly in afterburner. Whilst this would seem to dictate higher fuel flows, the Blackbird actually achieved its greatest &quotgas mileage,&quot in terms of air nautical miles per pound of fuel burned, for the duration of the Mach three+ cruise. A typical Blackbird reconnaissance flight might call for numerous aerial refueling operations from an airborne tanker. Each time the SR-71 refueled, the crew had to descend to the tanker’s altitude, normally about six,000 m to 9,000 m (20,000 to 30,000 ft), and slow the airplane to subsonic speeds. As velocity decreased, so did frictional heat. This cooling impact triggered the aircraft’s skin panels to shrink considerably, and these covering the fuel tanks contracted so significantly that fuel leaked, forming a distinctive vapor trail as the tanker topped off the Blackbird. As quickly as the tanks have been filled, the jet’s crew disconnected from the tanker, relit the afterburners, and once more climbed to higher altitude.

Air Force pilots flew the SR-71 from Kadena AB, Japan, throughout its operational career but other bases hosted Blackbird operations, as well. The 9th SRW occasionally deployed from Beale AFB, California, to other places to carryout operational missions. Cuban missions were flown straight from Beale. The SR-71 did not begin to operate in Europe until 1974, and then only temporarily. In 1982, when the U.S. Air Force based two aircraft at Royal Air Force Base Mildenhall to fly monitoring mission in Eastern Europe.

When the SR-71 became operational, orbiting reconnaissance satellites had already replaced manned aircraft to collect intelligence from internet sites deep within Soviet territory. Satellites could not cover each geopolitical hotspot so the Blackbird remained a vital tool for worldwide intelligence gathering. On many occasions, pilots and RSOs flying the SR-71 offered details that proved important in formulating successful U. S. foreign policy. Blackbird crews supplied important intelligence about the 1973 Yom Kippur War, the Israeli invasion of Lebanon and its aftermath, and pre- and post-strike imagery of the 1986 raid performed by American air forces on Libya. In 1987, Kadena-primarily based SR-71 crews flew a number of missions more than the Persian Gulf, revealing Iranian Silkworm missile batteries that threatened industrial shipping and American escort vessels.

As the performance of space-primarily based surveillance systems grew, along with the effectiveness of ground-primarily based air defense networks, the Air Force began to drop enthusiasm for the costly program and the 9th SRW ceased SR-71 operations in January 1990. Despite protests by military leaders, Congress revived the plan in 1995. Continued wrangling over operating budgets, however, soon led to final termination. The National Aeronautics and Space Administration retained two SR-71As and the a single SR-71B for higher-speed analysis projects and flew these airplanes till 1999.

On March 6, 1990, the service profession of a single Lockheed SR-71A Blackbird ended with a record-setting flight. This unique airplane bore Air Force serial number 64-17972. Lt. Col. Ed Yeilding and his RSO, Lieutenant Colonel Joseph Vida, flew this aircraft from Los Angeles to Washington D.C. in 1 hour, 4 minutes, and 20 seconds, averaging a speed of 3,418 kph (2,124 mph). At the conclusion of the flight, ‘972 landed at Dulles International Airport and taxied into the custody of the Smithsonian’s National Air and Space Museum. At that time, Lt. Col. Vida had logged 1,392.7 hours of flight time in Blackbirds, much more than that of any other crewman.

This specific SR-71 was also flown by Tom Alison, a former National Air and Space Museum’s Chief of Collections Management. Flying with Detachment 1 at Kadena Air Force Base, Okinawa, Alison logged more than a dozen ‘972 operational sorties. The aircraft spent twenty-four years in active Air Force service and accrued a total of 2,801.1 hours of flight time.

Wingspan: 55’7&quot
Length: 107’5&quot
Height: 18’6&quot
Weight: 170,000 Lbs

Reference and Additional Reading:

Crickmore, Paul F. Lockheed SR-71: The Secret Missions Exposed. Oxford: Osprey Publishing, 1996.

Francillon, Rene J. Lockheed Aircraft Because 1913. Annapolis, Md.: Naval Institute Press, 1987.

Johnson, Clarence L. Kelly: More Than My Share of It All. Washington D.C.: Smithsonian Institution Press, 1985.

Miller, Jay. Lockheed Martin’s Skunk Performs. Leicester, U.K.: Midland Counties Publishing Ltd., 1995.

Lockheed SR-71 Blackbird curatorial file, Aeronautics Division, National Air and Space Museum.

DAD, 11-11-01

Steven F. Udvar-Hazy Center: Vought F4U-1D Corsair, with P-40 Warhawk and SR-71 Blackbird in background

Some cool precision machining company images:

Steven F. Udvar-Hazy Center: Vought F4U-1D Corsair, with P-40 Warhawk and SR-71 Blackbird in background

Image by Chris Devers
Quoting Smithsonian National Air and Space Museum | Curtiss P-40E Warhawk (Kittyhawk IA):

Whether known as the Warhawk, Tomahawk, or Kittyhawk, the Curtiss P-40 proved to be a successful, versatile fighter during the first half of World War II. The shark-mouthed Tomahawks that Gen. Claire Chennault’s "Flying Tigers" flew in China against the Japanese remain among the most popular airplanes of the war. P-40E pilot Lt. Boyd D. Wagner became the first American ace of World War II when he shot down six Japanese aircraft in the Philippines in mid-December 1941.

Curtiss-Wright built this airplane as Model 87-A3 and delivered it to Canada as a Kittyhawk I in 1941. It served until 1946 in No. 111 Squadron, Royal Canadian Air Force. U.S. Air Force personnel at Andrews Air Force Base restored it in 1975 to represent an aircraft of the 75th Fighter Squadron, 23rd Fighter Group, 14th Air Force.

Donated by the Exchange Club in Memory of Kellis Forbes.

Manufacturer:
Curtiss Aircraft Company

Date:
1939

Country of Origin:
United States of America

Dimensions:
Overall: 330 x 970cm, 2686kg, 1140cm (10ft 9 15/16in. x 31ft 9 7/8in., 5921.6lb., 37ft 4 13/16in.)

Materials:
All-metal, semi-monocoque

Physical Description:
Single engine, single seat, fighter aircraft.

• • • • •

Quoting Smithsonian National Air and Space Museum | Lockheed SR-71 Blackbird:

No reconnaissance aircraft in history has operated globally in more hostile airspace or with such complete impunity than the SR-71, the world’s fastest jet-propelled aircraft. The Blackbird’s performance and operational achievements placed it at the pinnacle of aviation technology developments during the Cold War.

This Blackbird accrued about 2,800 hours of flight time during 24 years of active service with the U.S. Air Force. On its last flight, March 6, 1990, Lt. Col. Ed Yielding and Lt. Col. Joseph Vida set a speed record by flying from Los Angeles to Washington, D.C., in 1 hour, 4 minutes, and 20 seconds, averaging 3,418 kilometers (2,124 miles) per hour. At the flight’s conclusion, they landed at Washington-Dulles International Airport and turned the airplane over to the Smithsonian.

Transferred from the United States Air Force.

Manufacturer:
Lockheed Aircraft Corporation

Designer:
Clarence L. "Kelly" Johnson

Date:
1964

Country of Origin:
United States of America

Dimensions:
Overall: 18ft 5 15/16in. x 55ft 7in. x 107ft 5in., 169998.5lb. (5.638m x 16.942m x 32.741m, 77110.8kg)
Other: 18ft 5 15/16in. x 107ft 5in. x 55ft 7in. (5.638m x 32.741m x 16.942m)

Materials:
Titanium

Physical Description:
Twin-engine, two-seat, supersonic strategic reconnaissance aircraft; airframe constructed largley of titanium and its alloys; vertical tail fins are constructed of a composite (laminated plastic-type material) to reduce radar cross-section; Pratt and Whitney J58 (JT11D-20B) turbojet engines feature large inlet shock cones.

• • • • •

Quoting Smithsonian National Air and Space Museum | Vought F4U-1D Corsair :

By V-J Day, September 2, 1945, Corsair pilots had amassed an 11:1 kill ratio against enemy aircraft. The aircraft’s distinctive inverted gull-wing design allowed ground clearance for the huge, three-bladed Hamilton Standard Hydromatic propeller, which spanned more than 4 meters (13 feet). The Pratt and Whitney R-2800 radial engine and Hydromatic propeller was the largest and one of the most powerful engine-propeller combinations ever flown on a fighter aircraft.

Charles Lindbergh flew bombing missions in a Corsair with Marine Air Group 31 against Japanese strongholds in the Pacific in 1944. This airplane is painted in the colors and markings of the Corsair Sun Setter, a Marine close-support fighter assigned to the USS Essex in July 1944.

Transferred from the United States Navy.

Manufacturer:
Vought Aircraft Company

Date:
1940

Country of Origin:
United States of America

Dimensions:
Overall: 460 x 1020cm, 4037kg, 1250cm (15ft 1 1/8in. x 33ft 5 9/16in., 8900lb., 41ft 1/8in.)

Materials:
All metal with fabric-covered wings behind the main spar.

Physical Description:
R-2800 radial air-cooled engine with 1,850 horsepower, turned a three-blade Hamilton Standard Hydromatic propeller with solid aluminum blades spanning 13 feet 1 inch; wing bent gull-shaped on both sides of the fuselage.

Steven F. Udvar-Hazy Center: Aichi M6A1 Seiran

Image by Chris Devers
Quoting Smithsonian National Air and Space Museum | Aichi M6A1 Seiran (Clear Sky Storm):

Aichi chief engineer, Toshio Ozaki, designed the M6A1 Seiran to fulfill the requirement for a bomber that could operate exclusively from a submarine. Japanese war planners devised the idea as a means for striking directly at the United States mainland and other important strategic targets, like the Panama Canal, that lay thousands of kilometers from Japan. To support Seiran operations, the Japanese developed a fleet of submarine aircraft carriers to bring the aircraft within striking distance. No Seiran ever saw combat, but the Seiran/submarine weapons system represents an ingenious blend of aviation and marine technology.

This M6A1 was the last airframe built (serial number 28) and the only surviving example of the Seiran in the world. Imperial Japanese Navy Lt. Kazuo Akatsuka ferried this Seiran from Fukuyama to Yokosuka where he surrendered it to an American occupation contingent.

Transferred from the United States Navy.

Manufacturer:
Aichi Aircraft Company (Aichi Kokuki KK)

Date:
1945

Country of Origin:
Japan

Dimensions:
Overall: 460 x 1160cm, 3310kg, 1230cm (15ft 1 1/8in. x 38ft 11/16in., 7297.2lb., 40ft 4 1/4in.)

Physical Description:
Wings rotated back, folded back to lie flat against the fuselage. 2/3 of each side of the horizontal stabilizer also folded down, likewise the tip of the vertical stabilizer.

Steven F. Udvar-Hazy Center: P-38 Lightning, with B-29 Enola Gay behind it

Image by Chris Devers

See more photos of this, and the Wikipedia article.

Details, quoting from Smithsonian National Air and Space Museum | Lockheed P-38J-10-LO Lightning

In the P-38 Lockheed engineer Clarence "Kelly" Johnson and his team of designers created one of the most successful twin-engine fighters ever flown by any nation. From 1942 to 1945, U. S. Army Air Forces pilots flew P-38s over Europe, the Mediterranean, and the Pacific, and from the frozen Aleutian Islands to the sun-baked deserts of North Africa. Lightning pilots in the Pacific theater downed more Japanese aircraft than pilots flying any other Allied warplane.

Maj. Richard I. Bong, America’s leading fighter ace, flew this P-38J-10-LO on April 16, 1945, at Wright Field, Ohio, to evaluate an experimental method of interconnecting the movement of the throttle and propeller control levers. However, his right engine exploded in flight before he could conduct the experiment.

Transferred from the United States Air Force.

Manufacturer:
Lockheed Aircraft Company

Date:
1943

Country of Origin:
United States of America

Dimensions:
Overall: 390 x 1170cm, 6345kg, 1580cm (12ft 9 9/16in. x 38ft 4 5/8in., 13988.2lb., 51ft 10 1/16in.)

Materials:
All-metal

Physical Description:
Twin-tail boom and twin-engine fighter; tricycle landing gear.

Long Description:
From 1942 to 1945, the thunder of P-38 Lightnings was heard around the world. U. S. Army pilots flew the P-38 over Europe, the Mediterranean, and the Pacific; from the frozen Aleutian Islands to the sun-baked deserts of North Africa. Measured by success in combat, Lockheed engineer Clarence "Kelly" Johnson and a team of designers created the most successful twin-engine fighter ever flown by any nation. In the Pacific Theater, Lightning pilots downed more Japanese aircraft than pilots flying any other Army Air Forces warplane.

Johnson and his team conceived this twin-engine, single-pilot fighter airplane in 1936 and the Army Air Corps authorized the firm to build it in June 1937. Lockheed finished constructing the prototype XP-38 and delivered it to the Air Corps on New Year’s Day, 1939. Air Corps test pilot and P-38 project officer, Lt. Benjamin S. Kelsey, first flew the aircraft on January 27. Losing this prototype in a crash at Mitchel Field, New York, with Kelsey at the controls, did not deter the Air Corps from ordering 13 YP-38s for service testing on April 27. Kelsey survived the crash and remained an important part of the Lightning program. Before the airplane could be declared ready for combat, Lockheed had to block the effects of high-speed aerodynamic compressibility and tail buffeting, and solve other problems discovered during the service tests.

The most vexing difficulty was the loss of control in a dive caused by aerodynamic compressibility. During late spring 1941, Air Corps Major Signa A. Gilke encountered serious trouble while diving his Lightning at high-speed from an altitude of 9,120 m (30,000 ft). When he reached an indicated airspeed of about 515 kph (320 mph), the airplane’s tail began to shake violently and the nose dropped until the dive was almost vertical. Signa recovered and landed safely and the tail buffet problem was soon resolved after Lockheed installed new fillets to improve airflow where the cockpit gondola joined the wing center section. Seventeen months passed before engineers began to determine what caused the Lightning’s nose to drop. They tested a scale model P-38 in the Ames Laboratory wind tunnel operated by the NACA (National Advisory Committee for Aeronautics) and found that shock waves formed when airflow over the wing leading edges reached transonic speeds. The nose drop and loss of control was never fully remedied but Lockheed installed dive recovery flaps under each wing in 1944. These devices slowed the P-38 enough to allow the pilot to maintain control when diving at high-speed.

Just as the development of the North American P-51 Mustang, Republic P-47 Thunderbolt, and the Vought F4U Corsair (see NASM collection for these aircraft) pushed the limits of aircraft performance into unexplored territory, so too did P-38 development. The type of aircraft envisioned by the Lockheed design team and Air Corps strategists in 1937 did not appear until June 1944. This protracted shakedown period mirrors the tribulations suffered by Vought in sorting out the many technical problems that kept F4U Corsairs off U. S. Navy carrier decks until the end of 1944.

Lockheed’s efforts to trouble-shoot various problems with the design also delayed high-rate, mass production. When Japan attacked Pearl Harbor, the company had delivered only 69 Lightnings to the Army. Production steadily increased and at its peak in 1944, 22 sub-contractors built various Lightning components and shipped them to Burbank, California, for final assembly. Consolidated-Vultee (Convair) subcontracted to build the wing center section and the firm later became prime manufacturer for 2,000 P-38Ls but that company’s Nashville plant completed only 113 examples of this Lightning model before war’s end. Lockheed and Convair finished 10,038 P-38 aircraft including 500 photo-reconnaissance models. They built more L models, 3,923, than any other version.

To ease control and improve stability, particularly at low speeds, Lockheed equipped all Lightnings, except a batch ordered by Britain, with propellers that counter-rotated. The propeller to the pilot’s left turned counter-clockwise and the propeller to his right turned clockwise, so that one propeller countered the torque and airflow effects generated by the other. The airplane also performed well at high speeds and the definitive P-38L model could make better than 676 kph (420 mph) between 7,600 and 9,120 m (25,000 and 30,000 ft). The design was versatile enough to carry various combinations of bombs, air-to-ground rockets, and external fuel tanks. The multi-engine configuration reduced the Lightning loss-rate to anti-aircraft gunfire during ground attack missions. Single-engine airplanes equipped with power plants cooled by pressurized liquid, such as the North American P-51 Mustang (see NASM collection), were particularly vulnerable. Even a small nick in one coolant line could cause the engine to seize in a matter of minutes.

The first P-38s to reach the Pacific combat theater arrived on April 4, 1942, when a version of the Lightning that carried reconnaissance cameras (designated the F-4), joined the 8th Photographic Squadron based in Australia. This unit launched the first P-38 combat missions over New Guinea and New Britain during April. By May 29, the first 25 P-38s had arrived in Anchorage, Alaska. On August 9, pilots of the 343rd Fighter Group, Eleventh Air Force, flying the P-38E, shot down a pair of Japanese flying boats.

Back in the United States, Army Air Forces leaders tried to control a rumor that Lightnings killed their own pilots. On August 10, 1942, Col. Arthur I. Ennis, Chief of U. S. Army Air Forces Public Relations in Washington, told a fellow officer "… Here’s what the 4th Fighter [training] Command is up against… common rumor out there that the whole West Coast was filled with headless bodies of men who jumped out of P-38s and had their heads cut off by the propellers." Novice Lightning pilots unfamiliar with the correct bailout procedures actually had more to fear from the twin-boom tail, if an emergency dictated taking to the parachute but properly executed, Lightning bailouts were as safe as parachuting from any other high-performance fighter of the day. Misinformation and wild speculation about many new aircraft was rampant during the early War period.

Along with U. S. Navy Grumman F4F Wildcats (see NASM collection) and Curtiss P-40 Warhawks (see NASM collection), Lightnings were the first American fighter airplanes capable of consistently defeating Japanese fighter aircraft. On November 18, men of the 339th Fighter Squadron became the first Lightning pilots to attack Japanese fighters. Flying from Henderson Field on Guadalcanal, they claimed three during a mission to escort Boeing B-17 Flying Fortress bombers (see NASM collection).

On April 18, 1943, fourteen P-38 pilots from the 70th and the 339th Fighter Squadrons, 347th Fighter Group, accomplished one of the most important Lightning missions of the war. American ULTRA cryptanalysts had decoded Japanese messages that revealed the timetable for a visit to the front by the commander of the Imperial Japanese Navy, Admiral Isoroku Yamamoto. This charismatic leader had crafted the plan to attack Pearl Harbor and Allied strategists believed his loss would severely cripple Japanese morale. The P-38 pilots flew 700 km (435 miles) at heights from 3-15 m (10-50 feet) above the ocean to avoid detection. Over the coast of Bougainville, they intercepted a formation of two Mitsubishi G4M BETTY bombers (see NASM collection) carrying the Admiral and his staff, and six Mitsubishi A6M Zero fighters (see NASM collection) providing escort. The Lightning pilots downed both bombers but lost Lt. Ray Hine to a Zero.

In Europe, the first Americans to down a Luftwaffe aircraft were Lt. Elza E. Shahan flying a 27th Fighter Squadron P-38E, and Lt. J. K. Shaffer flying a Curtiss P-40 (see NASM collection) in the 33rd Fighter Squadron. The two flyers shared the destruction of a Focke-Wulf Fw 200C-3 Condor maritime strike aircraft over Iceland on August 14, 1942. Later that month, the 1st fighter group accepted Lightnings and began combat operations from bases in England but this unit soon moved to fight in North Africa. More than a year passed before the P-38 reappeared over Western Europe. While the Lightning was absent, U. S. Army Air Forces strategists had relearned a painful lesson: unescorted bombers cannot operate successfully in the face of determined opposition from enemy fighters. When P-38s returned to England, the primary mission had become long-range bomber escort at ranges of about 805 kms (500 miles) and at altitudes above 6,080 m (20,000 ft).

On October 15, 1943, P-38H pilots in the 55th Fighter Group flew their first combat mission over Europe at a time when the need for long-range escorts was acute. Just the day before, German fighter pilots had destroyed 60 of 291 Eighth Air Force B-17 Flying Fortresses (see NASM collection) during a mission to bomb five ball-bearing plants at Schweinfurt, Germany. No air force could sustain a loss-rate of nearly 20 percent for more than a few missions but these targets lay well beyond the range of available escort fighters (Republic P-47 Thunderbolt, see NASM collection). American war planners hoped the long-range capabilities of the P-38 Lightning could halt this deadly trend, but the very high and very cold environment peculiar to the European air war caused severe power plant and cockpit heating difficulties for the Lightning pilots. The long-range escort problem was not completely solved until the North American P-51 Mustang (see NASM collection) began to arrive in large numbers early in 1944.

Poor cockpit heating in the H and J model Lightnings made flying and fighting at altitudes that frequently approached 12,320 m (40,000 ft) nearly impossible. This was a fundamental design flaw that Kelly Johnson and his team never anticipated when they designed the airplane six years earlier. In his seminal work on the Allison V-1710 engine, Daniel Whitney analyzed in detail other factors that made the P-38 a disappointing airplane in combat over Western Europe.

• Many new and inexperienced pilots arrived in England during December 1943, along with the new J model P-38 Lightning.

• J model rated at 1,600 horsepower vs. 1,425 for earlier H model Lightnings. This power setting required better maintenance between flights. It appears this work was not done in many cases.

• During stateside training, Lightning pilots were taught to fly at high rpm settings and low engine manifold pressure during cruise flight. This was very hard on the engines, and not in keeping with technical directives issued by Allison and Lockheed.

• The quality of fuel in England may have been poor, TEL (tetraethyl lead) fuel additive appeared to condense inside engine induction manifolds, causing detonation (destructive explosion of fuel mixture rather than controlled burning).

• Improved turbo supercharger intercoolers appeared on the J model P-38. These devices greatly reduced manifold temperatures but this encouraged TEL condensation in manifolds during cruise flight and increased spark plug fouling.

Using water injection to minimize detonation might have reduced these engine problems. Both the Republic P-47 Thunderbolt and the North American P-51 Mustang (see NASM collection) were fitted with water injection systems but not the P-38. Lightning pilots continued to fly, despite these handicaps.

During November 1942, two all-Lightning fighter groups, the 1st and the 14th, began operating in North Africa. In the Mediterranean Theater, P-38 pilots flew more sorties than Allied pilots flying any other type of fighter. They claimed 608 enemy a/c destroyed in the air, 123 probably destroyed and 343 damaged, against the loss of 131 Lightnings.

In the war against Japan, the P-38 truly excelled. Combat rarely occurred above 6,080 m (20,000 ft) and the engine and cockpit comfort problems common in Europe never plagued pilots in the Pacific Theater. The Lightning’s excellent range was used to full advantage above the vast expanses of water. In early 1945, Lightning pilots of the 12th Fighter Squadron, 18th Fighter Group, flew a mission that lasted 10 ½ hours and covered more than 3,220 km (2,000 miles). In August, P-38 pilots established the world’s long-distance record for a World War II combat fighter when they flew from the Philippines to the Netherlands East Indies, a distance of 3,703 km (2,300 miles). During early 1944, Lightning pilots in the 475th Fighter Group began the ‘race of aces.’ By March, Lieutenant Colonel Thomas J. Lynch had scored 21 victories before he fell to antiaircraft gunfire while strafing enemy ships. Major Thomas B. McGuire downed 38 Japanese aircraft before he was killed when his P-38 crashed at low altitude in early January 1945. Major Richard I. Bong became America’s highest scoring fighter ace (40 victories) but died in the crash of a Lockheed P-80 (see NASM collection) on August 6, 1945.

Museum records show that Lockheed assigned the construction number 422-2273 to the National Air and Space Museum’s P-38. The Army Air Forces accepted this Lightning as a P-38J-l0-LO on November 6, 1943, and the service identified the airplane with the serial number 42-67762. Recent investigations conducted by a team of specialists at the Paul E. Garber Facility, and Herb Brownstein, a volunteer in the Aeronautics Division at the National Air and Space Museum, have revealed many hitherto unknown aspects to the history of this aircraft.

Brownstein examined NASM files and documents at the National Archives. He discovered that a few days after the Army Air Forces (AAF) accepted this airplane, the China Engineering Division at Wright Field in Dayton, Ohio, granted Lockheed permission to convert this P-38 into a two-seat trainer. The firm added a seat behind the pilot to accommodate an instructor who would train civilian pilots in instrument flying techniques. Once trained, these test pilots evaluated new Lightnings fresh off the assembly line.

In a teletype sent by the China Engineering Division on March 2, 1944, Brownstein also discovered that this P-38 was released to Colonel Benjamin S. Kelsey from March 3 to April 10, 1944, to conduct special tests. This action was confirmed the following day in a cable from the War Department. This same pilot, then a Lieutenant, flew the XP-38 across the United States in 1939 and survived the crash that destroyed this Lightning at Mitchel Field, New York. In early 1944, Kelsey was assigned to the Eighth Air Force in England and he apparently traveled to the Lockheed factory at Burbank to pick up the P-38. Further information about these tests and Kelsey’s involvement remain an intriguing question.

One of Brownstein’s most important discoveries was a small file rich with information about the NASM Lightning. This file contained a cryptic reference to a "Major Bong" who flew the NASM P-38 on April 16, 1945, at Wright Field. Bong had planned to fly for an hour to evaluate an experimental method of interconnecting the movement of the throttle and propeller control levers. His flight ended after twenty-minutes when "the right engine blew up before I had a chance [to conduct the test]." The curator at the Richard I. Bong Heritage Center confirmed that America’s highest scoring ace made this flight in the NASM P-38 Lightning.

Working in Building 10 at the Paul E. Garber Facility, Rob Mawhinney, Dave Wilson, Wil Lee, Bob Weihrauch, Jim Purton, and Heather Hutton spent several months during the spring and summer of 2001 carefully disassembling, inspecting, and cleaning the NASM Lightning. They found every hardware modification consistent with a model J-25 airplane, not the model J-10 painted in the data block beneath the artifact’s left nose. This fact dovetails perfectly with knowledge uncovered by Brownstein. On April 10, the China Engineering Division again cabled Lockheed asking the company to prepare 42-67762 for transfer to Wright Field "in standard configuration." The standard P-38 configuration at that time was the P-38J-25. The work took several weeks and the fighter does not appear on Wright Field records until May 15, 1944. On June 9, the Flight Test Section at Wright Field released the fighter for flight trials aimed at collecting pilot comments on how the airplane handled.

Wright Field’s Aeromedical Laboratory was the next organization involved with this P-38. That unit installed a kit on July 26 that probably measured the force required to move the control wheel left and right to actuate the power-boosted ailerons installed in all Lightnings beginning with version J-25. From August 12-16, the Power Plant Laboratory carried out tests to measure the hydraulic pump temperatures on this Lightning. Then beginning September 16 and lasting about ten days, the Bombing Branch, Armament Laboratory, tested type R-3 fragmentation bomb racks. The work appears to have ended early in December. On June 20, 1945, the AAF Aircraft Distribution Office asked that the Air Technical Service Command transfer the Lightning from Wright Field to Altus Air Force Base, Oklahoma, a temporary holding area for Air Force museum aircraft. The P-38 arrived at the Oklahoma City Air Depot on June 27, 1945, and mechanics prepared the fighter for flyable storage.

Airplane Flight Reports for this Lightning also describe the following activities and movements:

6-21-45 Wright Field, Ohio, 5.15 hours of flying.
6-22-45Wright Field, Ohio, .35 minutes of flying by Lt. Col. Wendel [?] J. Kelley and P. Shannon.
6-25-45Altus, Oklahoma, .55 hours flown, pilot P. Shannon.
6-27-45Altus, Oklahoma, #2 engine changed, 1.05 hours flown by Air Corps F/O Ralph F. Coady.
10-5-45 OCATSC-GCAAF (Garden City Army Air Field, Garden City, Kansas), guns removed and ballast added.
10-8-45Adams Field, Little Rock, Arkansas.
10-9-45Nashville, Tennessee,
5-28-46Freeman Field, Indiana, maintenance check by Air Corps Capt. H. M. Chadhowere [sp]?
7-24-46Freeman Field, Indiana, 1 hour local flight by 1st Lt. Charles C. Heckel.
7-31-46 Freeman Field, Indiana, 4120th AAF Base Unit, ferry flight to Orchard Place [Illinois] by 1st Lt. Charles C. Heckel.

On August 5, 1946, the AAF moved the aircraft to another storage site at the former Consolidated B-24 bomber assembly plant at Park Ridge, Illinois. A short time later, the AAF transferred custody of the Lightning and more than sixty other World War II-era airplanes to the Smithsonian National Air Museum. During the early 1950s, the Air Force moved these airplanes from Park Ridge to the Smithsonian storage site at Suitland, Maryland.

• • •

Quoting from Wikipedia | Lockheed P-38 Lightning:

The Lockheed P-38 Lightning was a World War II American fighter aircraft built by Lockheed. Developed to a United States Army Air Corps requirement, the P-38 had distinctive twin booms and a single, central nacelle containing the cockpit and armament. Named "fork-tailed devil" by the Luftwaffe and "two planes, one pilot" by the Japanese, the P-38 was used in a number of roles, including dive bombing, level bombing, ground-attack, photo reconnaissance missions, and extensively as a long-range escort fighter when equipped with drop tanks under its wings.

The P-38 was used most successfully in the Pacific Theater of Operations and the China-Burma-India Theater of Operations as the mount of America’s top aces, Richard Bong (40 victories) and Thomas McGuire (38 victories). In the South West Pacific theater, the P-38 was the primary long-range fighter of United States Army Air Forces until the appearance of large numbers of P-51D Mustangs toward the end of the war. The P-38 was unusually quiet for a fighter, the exhaust muffled by the turbo-superchargers. It was extremely forgiving, and could be mishandled in many ways, but the rate of roll was too slow for it to excel as a dogfighter. The P-38 was the only American fighter aircraft in production throughout American involvement in the war, from Pearl Harbor to Victory over Japan Day.

Variants: Lightning in maturity: P-38J

The P-38J was introduced in August 1943. The turbo-supercharger intercooler system on previous variants had been housed in the leading edges of the wings and had proven vulnerable to combat damage and could burst if the wrong series of controls were mistakenly activated. In the P-38J model, the streamlined engine nacelles of previous Lightnings were changed to fit the intercooler radiator between the oil coolers, forming a "chin" that visually distinguished the J model from its predecessors. While the P-38J used the same V-1710-89/91 engines as the H model, the new core-type intercooler more efficiently lowered intake manifold temperatures and permitted a substantial increase in rated power. The leading edge of the outer wing was fitted with 55 gal (208 l) fuel tanks, filling the space formerly occupied by intercooler tunnels, but these were omitted on early P-38J blocks due to limited availability.

The final 210 J models, designated P-38J-25-LO, alleviated the compressibility problem through the addition of a set of electrically-actuated dive recovery flaps just outboard of the engines on the bottom centerline of the wings. With these improvements, a USAAF pilot reported a dive speed of almost 600 mph (970 km/h), although the indicated air speed was later corrected for compressibility error, and the actual dive speed was lower. Lockheed manufactured over 200 retrofit modification kits to be installed on P-38J-10-LO and J-20-LO already in Europe, but the USAAF C-54 carrying them was shot down by an RAF pilot who mistook the Douglas transport for a German Focke-Wulf Condor. Unfortunately the loss of the kits came during Lockheed test pilot Tony LeVier‘s four-month morale-boosting tour of P-38 bases. Flying a new Lightning named "Snafuperman" modified to full P-38J-25-LO specs at Lockheed’s modification center near Belfast, LeVier captured the pilots’ full attention by routinely performing maneuvers during March 1944 that common Eighth Air Force wisdom held to be suicidal. It proved too little too late because the decision had already been made to re-equip with Mustangs.

The P-38J-25-LO production block also introduced hydraulically-boosted ailerons, one of the first times such a system was fitted to a fighter. This significantly improved the Lightning’s rate of roll and reduced control forces for the pilot. This production block and the following P-38L model are considered the definitive Lightnings, and Lockheed ramped up production, working with subcontractors across the country to produce hundreds of Lightnings each month.

Noted P-38 pilots

Richard Bong and Thomas McGuire

The American ace of aces and his closest competitor both flew Lightnings as they tallied 40 and 38 victories respectively. Majors Richard I. "Dick" Bong and Thomas J. "Tommy" McGuire of the USAAF competed for the top position. Both men were awarded the Medal of Honor.

McGuire was killed in air combat in January 1945 over the Philippines, after racking up 38 confirmed kills, making him the second-ranking American ace. Bong was rotated back to the United States as America’s ace of aces, after making 40 kills, becoming a test pilot. He was killed on 6 August 1945, the day the atomic bomb was dropped on Japan, when his P-80 Shooting Star jet fighter flamed out on takeoff.

Charles Lindbergh

The famed aviator Charles Lindbergh toured the South Pacific as a civilian contractor for United Aircraft Corporation, comparing and evaluating performance of single- and twin-engined fighters for Vought. He worked to improve range and load limits of the F4U Corsair, flying both routine and combat strafing missions in Corsairs alongside Marine pilots. In Hollandia, he attached himself to the 475th FG flying P-38s so that he could investigate the twin-engine fighter. Though new to the machine, he was instrumental in extending the range of the P-38 through improved throttle settings, or engine-leaning techniques, notably by reducing engine speed to 1,600 rpm, setting the carburetors for auto-lean and flying at 185 mph (298 km/h) indicated airspeed which reduced fuel consumption to 70 gal/h, about 2.6 mpg. This combination of settings had been considered dangerous; it was thought it would upset the fuel mixture and cause an explosion. Everywhere Lindbergh went in the South Pacific, he was accorded the normal preferential treatment of a visiting colonel, though he had resigned his Air Corps Reserve colonel’s commission three years before. While with the 475th, he held training classes and took part in a number of Army Air Corps combat missions. On 28 July 1944, Lindbergh shot down a Mitsubishi Ki-51 "Sonia" flown expertly by the veteran commander of 73rd Independent Flying Chutai, Imperial Japanese Army Captain Saburo Shimada. In an extended, twisting dogfight in which many of the participants ran out of ammunition, Shimada turned his aircraft directly toward Lindbergh who was just approaching the combat area. Lindbergh fired in a defensive reaction brought on by Shimada’s apparent head-on ramming attack. Hit by cannon and machine gun fire, the "Sonia’s" propeller visibly slowed, but Shimada held his course. Lindbergh pulled up at the last moment to avoid collision as the damaged "Sonia" went into a steep dive, hit the ocean and sank. Lindbergh’s wingman, ace Joseph E. "Fishkiller" Miller, Jr., had also scored hits on the "Sonia" after it had begun its fatal dive, but Miller was certain the kill credit was Lindbergh’s. The unofficial kill was not entered in the 475th’s war record. On 12 August 1944 Lindbergh left Hollandia to return to the United States.

Charles MacDonald

The seventh-ranking American ace, Charles H. MacDonald, flew a Lightning against the Japanese, scoring 27 kills in his famous aircraft, the Putt Putt Maru.

Robin Olds

Main article: Robin Olds

Robin Olds was the last P-38 ace in the Eighth Air Force and the last in the ETO. Flying a P-38J, he downed five German fighters on two separate missions over France and Germany. He subsequently transitioned to P-51s to make seven more kills. After World War II, he flew F-4 Phantom IIs in Vietnam, ending his career as brigadier general with 16 kills.

Clay Tice

A P-38 piloted by Clay Tice was the first American aircraft to land in Japan after VJ-Day, when he and his wingman set down on Nitagahara because his wingman was low on fuel.

Antoine de Saint-Exupéry

Noted aviation pioneer and writer Antoine de Saint-Exupéry vanished in a F-5B-1-LO, 42-68223, c/n 2734, of Groupe de Chasse II/33, out of Borgo-Porreta, Bastia, Corsica, a reconnaissance variant of the P-38, while on a flight over the Mediterranean, from Corsica to mainland France, on 31 July 1944. His health, both physical and mental (he was said to be intermittently subject to depression), had been deteriorating and there had been talk of taking him off flight status. There have been suggestions (although no proof to date) that this was a suicide rather than an aircraft failure or combat loss. In 2000, a French scuba diver found the wreckage of a Lightning in the Mediterranean off the coast of Marseille, and it was confirmed in April 2004 as Saint-Exupéry’s F-5B. No evidence of air combat was found. In March 2008, a former Luftwaffe pilot, Horst Rippert from Jagdgruppe 200, claimed to have shot down Saint-Exupéry.

Adrian Warburton

The RAF’s legendary photo-recon "ace", Wing Commander Adrian Warburton DSO DFC, was the pilot of a Lockheed P-38 borrowed from the USAAF that took off on 12 April 1944 to photograph targets in Germany. W/C Warburton failed to arrive at the rendezvous point and was never seen again. In 2003, his remains were recovered in Germany from his wrecked USAAF P-38 Lightning.

• • • • •

Quoting Smithsonian National Air and Space Museum | Boeing B-29 Superfortress "Enola Gay":

Boeing’s B-29 Superfortress was the most sophisticated propeller-driven bomber of World War II and the first bomber to house its crew in pressurized compartments. Although designed to fight in the European theater, the B-29 found its niche on the other side of the globe. In the Pacific, B-29s delivered a variety of aerial weapons: conventional bombs, incendiary bombs, mines, and two nuclear weapons.

On August 6, 1945, this Martin-built B-29-45-MO dropped the first atomic weapon used in combat on Hiroshima, Japan. Three days later, Bockscar (on display at the U.S. Air Force Museum near Dayton, Ohio) dropped a second atomic bomb on Nagasaki, Japan. Enola Gay flew as the advance weather reconnaissance aircraft that day. A third B-29, The Great Artiste, flew as an observation aircraft on both missions.

Transferred from the United States Air Force.

Manufacturer:
Boeing Aircraft Co.
Martin Co., Omaha, Nebr.

Date:
1945

Country of Origin:
United States of America

Dimensions:
Overall: 900 x 3020cm, 32580kg, 4300cm (29ft 6 5/16in. x 99ft 1in., 71825.9lb., 141ft 15/16in.)

Materials:
Polished overall aluminum finish

Physical Description:
Four-engine heavy bomber with semi-monoqoque fuselage and high-aspect ratio wings. Polished aluminum finish overall, standard late-World War II Army Air Forces insignia on wings and aft fuselage and serial number on vertical fin; 509th Composite Group markings painted in black; "Enola Gay" in black, block letters on lower left nose.