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Armstrong Siddeley Sapphire
Wright J65

The Engine Specifications
 
In 1947, the Metrovik F.9 Sapphire was handed to Armstrong Siddeley.  Armstrong Siddeley improved the engine's thrust from 7,500 lb to 11,000 without afterburning (augmentation) over its production life.

To gain entry into the turbojet market, Wright purchased a license to build the Sapphire (re-designated the J65).  The engine was Americanized and redesigned...a process which took two years longer than expected.  By then the market had been taken over by the Pratt & Whitney J57.

Turbojet
Compressor: 13-stage
Turbine: 2-stage
 
Models Used by
 
J65-W-2: 7,800 lb (34.7 kN) thrust 
J65-W5: 7,200 lb (32.1 kN) thrust
J65-W-16A: 7,700 lb (34.2 kN) thrust
J65-W-18: 7,450 lb (33.1 kN) thrust
Douglas A4D Skyhawk
Martin B-57 Canberra
Grumman F11F Tiger
Republic F-84F Thunderstreak
North American FJ-2 Fury
 
Related Pages
 
More about Armstrong Siddeley
More about Wright Aeronautical
 

page updated 04 July 2003

 

 

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Kenneth W Shanaberger 2000 - 2010