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General Electric J85

The Engine Specifications
Originally ordered by the U.S. Air Force strictly for the ADM-20 Quail, the J85 quickly found applications in other light-jet applications including the supersonic Northrop F-5/T-38 family.  Over 13,500 J85s and 2,000 commercial CJ610s have been delivered.
Compressor: 8-stages
Turbine: 2-stages
Mass flow: 45 lbs/sec
Pressure ratio: 7 - 8
Models Used by
CJ610-4: 2,850 lb (12.7 kN)
J85-GE-3: 2,450 lb (10.9 kN) thrust
J85-GE-4: 2,950 lb (13.1 kN) thrust
J85-GE-5A: 3,850 lb (17.1 kN) afterburning thrust
J85-J4: 2,950 lb (13.1 kN) thrust
Learjet 23
McDonnell ADM-20 Quail
Canadair CT-114 Tutor
North American T-2 Buckeye
Northrop T-38 Talon
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General Electric: J85

page updated 07 May 2007



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Kenneth W Shanaberger 2000 - 2010