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XP-8
Boeing XP-8 (U.S. Air Force photo)
Role Fighter
Manufacturer Boeing
First flight January 1928
Introduced Cancelled
Primary user U.S. Army Air Corps
Number built 1
Developed from PW-9
Variants Boeing F2B

The Boeing XP-8 (Boeing Model 66) was a prototype American biplane fighter of the 1920s, notable for its unusual design incorporating the engine radiator into the lower wing.[1]

Contents

Design and development

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-1530 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.

Testing

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.

Operators

 United States

Specifications (XP-8)

Data from Fighters of the United States Air Force[2]

General 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-1530 liquid cooled piston engine, 600 hp (448 kW)

Performance

Armament

See also

Related lists

References

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Notes

  1. ^ Jones 1975, p. 34–35.
  2. ^ Dorr and Bishop 1990, p.40.

Bibliography

  • 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.

External links


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