Allison J71
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| J71 | |
|---|---|
 |
|
| J71 engine change in progress on a F3H-2 Demon, 1963. | |
| Type | Turbojet |
| Manufacturer | Allison Engine Company |
| First run | 1948 |
| Major applications | B-66 Destroyer F3H Demon |
| Developed from | Allison J35 |
The Allison J71 was a turbojet engine, designed and built in the United States. It began development in 1948 as a much modified J35, originally designated J35-A-23.[1]
Contents
Operational history
The Allison J71 turbojet powered the Douglas B-66 Destroyer and the McDonnell F3H-2 Demon after the failed Westinghouse J40 proved unworkable. The prototype P6M SeaMasters were also fitted with the engine.
Variants
- J71-A-2
- Powers the McDonnell F3H Demon
- J71-A-2B
- J71-A-2E
- 9,700 lbf (43.15 kN) thrust (14,000 lbf (62.28 kN) thrust with afterburner), for the McDonnell F3H-2 Demon.
- J71-A-4
- Afterburning turbojet engines for the Martin XP6M-1 Seamaster flying boat prototypes.
- J71-A-6
- Afterburning turbojet engines for the Martin YP6M-1 Seamaster pre-production flying boats.
- J71-A-9
- Powered the Douglas RB-66 Destroyer
- J71-A-11
- 10,200 lbf (45.37 kN) thrust
Specifications (Allison J71-A-2B)
Data from Gunston.[1]
General characteristics
- Type: Afterburning turbojet
- Length:
- Diameter:
- Dry weight:
Components
- Compressor: 16-stage axial compressor
- Combustors: Cannular, 10 chambers
- Turbine: 3-stage
Performance
- Maximum power output:
- Overall pressure ratio: 8:1
- Air mass flow: 160 lb/sec
- Power-to-weight ratio:
See also
- Related development
- Related lists
References
- Notes
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- Gunston, Bill. World Encyclopedia of Aero Engines. Cambridge, England. Patrick Stephens Limited, 1989. ISBN 1-85260-163-9
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External links
 |
Wikimedia Commons has media related to Allison J71. |
- Allison J71 Turbojet
- "J71 - Allison's Big Axial Turbojet" a 1955 Flight article
- J71 page on LeteckeMotory.cz (cs)
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This aircraft engine article is missing some (or all) of its specifications. If you have a source, you can help Wikipedia by adding them. |
