Английская Википедия:Boeing XP-15
The Boeing XP-15 was an American prototype monoplane fighter.
Design and development
This aircraft was essentially a monoplane version of the Boeing P-12, differing in having the lower wing omitted and in having all-metal construction as well as altered ailerons. The XP-15 had a split-axle undercarriage and a tail wheel.[1]
Boeing numbered the craft as its Model 202; while the United States Army accepted it for testing and designated it as XP-15, they never actually purchased it, and it retained its civil registration of X-270V.[1]
Operational history
The XP-15 first flew in January 1930, when it was discovered that the vertical stabilizer (a P-12C type) needed to be larger in order to compensate for the single wing. Initial testing showed a top speed to 178 mph, but with enlarged tail surfaces and a Townend cowling, it recorded 190 mph at 8,000 ft. The aircraft performed poorly, with a poor rate of climb and a high landing speed. The USAAC did not order the aircraft for production and on 7 February 1931, the prototype was destroyed when a propeller blade failed and the engine tore loose from its mounts.[1]
The Navy was offered the similar Model 205. It first flew in February 1930. One was bought by the US Navy as the XF5B-1, but by the time flight testing was complete in 1932, other aircraft were ordered instead.
Variants
- XP-15
- 1 built
- XF5B-1
- 1 built
Operators
Specifications (XP-15)
See also
References
Notes
Bibliography
- Angelucci, Enzo. The American Fighter from 1917 to the present. New York: Orion Books, 1987.
- Jones, Lloyd S. U.S. Fighters, Army-Air Force: 1925 to 1980s. Fallbrook, California: Aero Publishers Incorporated, 1975, pp. 48–49. Шаблон:ISBN.
External links
Шаблон:Boeing military aircraft Шаблон:Boeing model numbers Шаблон:USAF fighters Шаблон:USN fighters
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