|Boeing XP-8 (U.S. Air Force photo)|
|First flight||January 1928|
|Primary user||U.S. Army Air Corps|
Design and developmentEdit
Boeing developed the prototype in 1926 as a private venture, with the goal of winning the Army Air Corps competition announced in 1925. Designated by Boeing as its Model 66, the airframe was basically a PW-9 with an experimental 600 hp Packard 2A-1500 engine. In order to streamline around the engine, the radiator was moved back so that the opening coincided with the front edge of the lower wing, resulting in an unusually narrow profile around the engine.
Army testing of the aircraft began in January 1928, and it handled well, but performance was lacking, achieving only a maximum speed of 173.2 mph. Even so, the prototype continued in Air Corps service until June 1929, after which it was scrapped. The airframe design lived on in the Navy's Boeing F2B.
Data from Fighters of the United States Air ForceGeneral characteristics
- Crew: One
- Length: 23 ft 5 in (7.14 m)
- Wingspan: 30 ft 1 in (9.17 m)
- Height: 9 ft 0 in (2.74 m)
- Wing area: 260 ft² (24.15 m²)
- Empty weight: 2,390 lb (1,084 kg)
- Max. takeoff weight: 3,421 lb (1,552 kg)
- Powerplant: 1 × Packard 2A-1500 liquid cooled piston engine, 600 hp (448 kW)
- Maximum speed: 153 knots (176 mph, 283 km/h) at 6,000 ft (1,830 m)
- Cruise speed: 129 knots (148 mph, 238 km/h)
- Range: 283 nm (325 mi, 523 km)
- Service ceiling: 20,950 ft (6,386 m)
- Rate of climb: 1,750 ft/min (8.89 m/s)</ul>Armament
- Guns: one 0.3 in and one 0.5 in machine guns
- Boeing Company. Pedigree of Champions: Boeing Since 1916, Third Edition. Seattle, Washington: The Boeing Company, 1969.
- Dorr, Robert F. and Donald, David. Fighters of the United States Air Force. London: Temple, 1990. ISBN 0-600-55094-X.
- Jones, Lloyd S. U.S. Fighters: Army-Air Force 1925 to 1980s. Fallbrook, California: Aero Publishers, Inc., 1975. ISBN 0-8168-9200-8.
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