General Electric T31
| T31 | |
|---|---|
| |
| A T31 in the Presidential Gallery of the National Museum of the United States Air Force | |
| Type | Turboprop |
| National origin | United States |
| Manufacturer | General Electric |
| First run | May 1945 |
| Major applications | Consolidated Vultee XP-81 XF2R Dark Shark |
| Number built | 28 |
The General Electric T31 (company designation TG-100) was the first turboprop engine designed and built in the United States.
Design and development
The first American turboprop engine was the General Electric XT31, first used in the experimental Consolidated Vultee XP-81.[1] The XP-81 first flew in December 1945, the first aircraft to use a combination of turboprop and turbojet power.
The T31 engine was the first American turboprop engine to power an aircraft.[2] It made its initial flight in the Consolidated Vultee XP-81 on 21 December 1945. The T31 was mounted in the nose; a J33 turbojet engine mounted in the rear fuselage provided added thrust. The T31 was also used on the Navy XF2R-1, similarly powered by a turboprop/turbojet engine combination. The engine was to have been flown experimentally on a Curtiss XC-113 (a converted C-46), but the experiment was abandoned after the XC-113 was involved in a ground accident. Only 28 T31s were built; none were used in production aircraft, but improved production turboprop engines were developed from the technology pioneered by the T31.
A derivative of the T31, the General Electric TG-110, given the military designation T41, was ordered but subsequently cancelled.
Applications
Specification (XT31)
General characteristics
- Type: Turboprop
- Length:
- Diameter:
- Dry weight: 1,980 lb
Components
- Compressor:
Performance
- Maximum power output: 2,300 shp (design) at 13,000 rpm. (1,145 propeller rpm)
See also
Related development
Comparable engines
Related lists
References
- ^ Green p.57
- ^ NMUSAF T31 fact sheet
- Gunston, Bill (2006). World Encyclopedia of Aero Engines, 5th Edition. Phoenix Mill, Gloucestershire, England, UK: Sutton Publishing Limited. p. 79. ISBN 0-7509-4479-X.
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External links
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