Allison J71


The Allison J71 was a single spool turbojet engine, designed and built in the United States. 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 and the McDonnell F3H-2 Demon after the failed Westinghouse J40 proved unworkable. The prototype P6M 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
;J71-A-2B:
;J71-A-2E: thrust, for the McDonnell F3H-2 Demon.
;YJ71-A-3: thrust
;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-7: thrust with afterburner
;J71-A-9: Powered the Douglas RB-66 Destroyer
;J71-A-11: thrust
;J71-A-13:

Specifications (Allison J71-A-2)