The Allison J71 was a single spool turbojet engine, designed and built in the

United States The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...

. It began development in 1948 as a much modified J35, originally designated J35-A-23.

Operational history

The Allison J71 turbojet powered the

Douglas B-66 Destroyer The Douglas B-66 Destroyer is a light bomber that was designed and produced by the American aviation manufacturer Douglas Aircraft Company. The B-66 was developed for the United States Air Force (USAF) and is derivative of the United States N ...

and the

McDonnell F3H-2 Demon The McDonnell F3H Demon is a subsonic swept-wing carrier-based jet fighter aircraft designed and produced by the American manufacturer McDonnell Aircraft Corporation. It was the first swept wing jet fighter and the only single-engined carrier- ...

after the failed

Westinghouse J40 The Westinghouse J40 was an early high-performance afterburning turbojet engine designed by Westinghouse Aviation Gas Turbine Division starting in 1946 to a US Navy Bureau of Aeronautics (BuAer) request. BuAer intended to use the design in sever ...

proved unworkable. The prototype P6M-1 SeaMasters were also fitted with the engine.

Variants

''Data from:'' Aircraft engines of the World 1953 ;J71-A-1: ;J71-A-2: Powered the

McDonnell F3H Demon The McDonnell F3H Demon is a subsonic swept-wing carrier-based jet fighter aircraft designed and produced by the American manufacturer McDonnell Aircraft Corporation. It was the first swept wing jet fighter and the only single-engined carrier- ...

;J71-A-2B: ;J71-A-2E: thrust ( thrust with afterburner), for the

. ;YJ71-A-3: thrust ( thrust with afterburner) ;J71-A-4:Afterburning turbojet engines for the

Martin XP6M-1 Seamaster The Martin P6M SeaMaster was an experimental strategic bomber flying boat built by the Glenn L. Martin Company for the United States Navy that almost entered service; production aircraft were built and Navy crews were undergoing operational trai ...

flying boat prototypes. ;J71-A-6:Afterburning turbojet engines for the

Martin YP6M-1 Seamaster The Martin P6M SeaMaster was an experimental strategic bomber flying boat built by the Glenn L. Martin Company for the United States Navy that almost entered service; production aircraft were built and Navy crews were undergoing operational trai ...

pre-production flying boats. ;J71-A-7: thrust with afterburner ;J71-A-9: Powered the

Douglas RB-66 Destroyer The Douglas B-66 Destroyer is a light bomber that was designed and produced by the American aviation manufacturer Douglas Aircraft Company. The B-66 was developed for the United States Air Force (USAF) and is derivative of the United States Na ...

Operational history

Variants

Specifications (Allison J71-A-2)

See also

References

Further reading

External links