Bell P-39 Airacobra
National origin:- United States Role:- Fighter Manufacturer:- Bell Aircraft Designer:- N.N. Polikarpov Design Bureau First flight:- 6 April 1938 Introduction:- 1941 Produced:- 1940 - May 1944 Status:- Retired Number built:- 9,588 Primary users:- United States Army Air Forces; Soviet Air Force; Royal Air Force Variants:- Bell XFL Airabonita; Bell P-63 Kingcobra; Bell P-76
The Bell P-39 Airacobra was a fighter produced by Bell Aircraft produced for the U.S. Army Air Forces during World War II. It was one of the principal American fighters in service when the United States entered combat. The P-39 was used by the Soviet Air Force, and enabled individual Soviet pilots to collect the highest number of kills attributed to any U.S. fighter type flown by any air force in any conflict. Other major users of the type included the Free French, the Royal Air Force, and the Italian Co-Belligerent Air Force.
It had an unusual layout, with the engine installed in the center fuselage, behind the pilot, and driving a tractor propeller in the nose with a long shaft. It was also the first fighter fitted with a tricycle undercarriage. Although its mid-engine placement was innovative, the P-39 design was handicapped by the absence of an efficient turbo-supercharger, preventing it from performing high-altitude work. For this reason it was rejected by the RAF for use over western Europe but adopted by the USSR, where most air combat took place at medium and lower altitudes.
Together with the derivative P-63 Kingcobra, the P-39 was one of the most successful fixed-wing aircraft manufactured by Bell.
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