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

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

. 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 heavily based upon the United St ...

and the

McDonnell F3H-2 Demon The McDonnell F3H Demon is a subsonic swept-wing United States Navy carrier-based jet fighter aircraft. The successor to the F2H Banshee, the Demon was originally designed to use the Westinghouse J40 engine, but had to be redesigned to accep ...

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 severa ...

proved unworkable. The prototype

P6M SeaMaster The Martin P6M SeaMaster, built by the Glenn L. Martin Company, was a 1950s strategic bomber flying boat for the United States Navy that almost entered service; production aircraft were built and Navy crews were undergoing operational training, ...

s 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 United States Navy carrier-based jet fighter aircraft. The successor to the F2H Banshee, the Demon was originally designed to use the Westinghouse J40 engine, but had to be redesigned to accept ...

;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, built by the Glenn L. Martin Company, was a 1950s strategic bomber flying boat for the United States Navy that almost entered service; production aircraft were built and Navy crews were undergoing operational trainin ...

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

Martin YP6M-1 Seamaster The Martin P6M SeaMaster, built by the Glenn L. Martin Company, was a 1950s strategic bomber flying boat for the United States Navy that almost entered service; production aircraft were built and Navy crews were undergoing operational trainin ...

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 heavily based upon the United Stat ...

Operational history

Variants

Specifications (Allison J71-A-2)

See also

References

Further reading

External links