Stearman XBT-17

XBT-17
Role Training monoplane
National origin United States
Manufacturer Stearman Aircraft
First flight 1940
Number built 1

The Stearman XBT-17 was a prototype 1940s American two-seat low-wing monoplane primary trainer designed and built by Stearman Aircraft (as the Model X-90).[1] It was evaluated by the United States Army Air Force in 1942 as the XBT-17.[2]

Design and development

The X-90 was a low-wing cantilever monoplane with two-seats in tandem under an enclosed canopy.[1] It had a fixed Conventional landing gear and was powered by a 225 hp (168 kW) Lycoming R-680 engine and first flew in 1940.[1] It had wooden wings and a steel tube forward fuselage in order minimise use of aluminium.[3] In 1942 the aircraft was re-engined with a 450 hp (336 kW) Pratt & Whitney R-985 engine and re-designated the Model X-91.[1] The X-91 was evaluated by the United States Army Air Force as the XBT-17 but no more were built.[1][2]

Variants

Stearman X-90
Prototype basic trainer with a 225 hp (168 kW) Lycoming R-680 engine. [1]
Stearman X-91
The X-90 re-engined with a 450 hp (336 kW) Pratt & Whitney R-985 engine for USAAF evaluation.[1]
Stearman XBT-17
United States Army Air Force designation for the X-91.[2]

Specifications (XBT-17)

Data from [4]

General characteristics

Performance

See also

Related lists

References

Notes

  1. ^ a b c d e f g "American airplanes: Stearman". www.aerofiles.com. 1 December 2008. http://aerofiles.com/_stear.html. Retrieved 2010-02-16. 
  2. ^ a b c Andrade 1979, p. 61
  3. ^ Bowers 1989, p.270.
  4. ^ Bowers 1989, p.271.

Bibliography

  • Andrade, John (1979). U.S.Military Aircraft Designations and Serials since 1909. Midland Counties Publications. ISBN 0 904597 22 9. 
  • Bowers, Peter M. (1989). Boeing Aircraft since 1916 (Third ed.). London: Putnam. ISBN 0-85177-804-6. 
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