The XF4U-1 also had an excellent rate of climb although testing revealed some requirements would have to be rewritten. The USAAC's twin engine Lockheed P-38 Lightning had flown over 400В mph in JanuaryвЂ“February 1939.

fighter to fly faster than 400В mph (640В km/h) by flying at an average ground speed of 405В mph (652В km/h) from Stratford to Hartford. On 1 October 1940, the XF4U-1 became the first single-engine U.S. The maiden flight proceeded normally until a hurried landing was made when the elevator trim tabs failed because of flutter. The first flight of the XF4U-1 was made on, with Lyman A. When the prototype was completed it had the biggest and most powerful engine, largest propeller, and probably the largest wing on any naval fighter to date. After mock-up inspection in February 1939, construction of the XF4U-1 powered by an XR-2800-4 prototype of the Pratt & Whitney R-2800 Double Wasp twin-row, 18-cylinder radial engine, rated at 1,805В hp (1,346В kW) went ahead quickly, as the very first airframe ever designed from the start to have a Double Wasp engine fitted for flight. The Corsair design team was led by Rex Beisel. Navy signed a contract with Vought for a prototype bearing the factory designation V-166B, the XF4U-1, BuNo 1443. The XF4U-1 prototype in 1940/41, showing its more forward cockpit location These small bombs would, according to thinking in the 1930s, be dropped on enemy aircraft formations. Provision had to be made for anti-aircraft bombs to be carried in the wing. The fighter had to carry four guns, or three with increased ammunition. A range of 1,000 miles (1,600В km) was specified.

For the single-engined fighter the Navy requested the maximum obtainable speed, and a stalling speed not higher than 70 miles per hour (110В km/h). Navy Bureau of Aeronautics published two requests for proposal for twin-engined and single-engined fighters. 3.1.2.1 Enhancement for carrier suitability.3.1.1.3 Field modifications for land-based Corsairs.3.1.1.1 Navy testing and release to the U.S.Its 1942вЂ“1953 production run was the longest of any U.S. Navy in 1940, to final delivery in 1953 to the French, 12,571 F4U Corsairs were manufactured in 16 separate models. and British, the Corsair was also used by the Royal New Zealand Air Force, French Naval Aviation, and other air forces until the 1960s.ДЇrom the first prototype delivery to the U.S. The Corsair served almost exclusively as a fighter-bomber throughout the Korean War and during the French colonial wars in Indochina and Algeria. Instead, the Corsair's early deployment was to land-based squadrons of the U.S. Early problems with carrier landings and logistics led to it being eclipsed as the dominant carrier-based fighter by the Grumman F6F Hellcat, powered by the same Double Wasp engine first flown on the Corsair's initial prototype in 1940. Some Japanese pilots regarded it as the most formidable American fighter of World War II and its naval aviators achieved an 11:1 kill ratio. It quickly became one of the most capable carrier-based fighter-bombers of World War II. The Corsair was designed and operated as a carrier-based aircraft, and entered service in large numbers with the U.S.

Designed and initially manufactured by Chance Vought, the Corsair was soon in great demand additional production contracts were given to Goodyear, whose Corsairs were designated FG, and Brewster, designated F3A. The Vought F4U Corsair is an American fighter aircraft which saw service primarily in World War II and the Korean War.

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