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General Electric J97 ✕ Rolls-Royce RB401 ✕
Aircraft Engine Manufacturer General Electric Company Rolls-Royce
Aircraft Engine Type Turbojet Turbofan
Dry Weight (kg) 314.7931 446.7885
Diameter (mm) 619.76 822.96
Length (mm) 2781.3 1544.32
Wikipedia Article (URL) en.wikipedia.org/wiki/General_Electric_J97 en.wikipedia.org/wiki/Rolls-Royce_RB401
Fuel Hydromechanical with provision for electronic monitoring
Geared Fan No No
Combustion Chamber annular Annular
Afterburner Yes No
Streams 1 2
Bypass Ratio 4.2
Maximum Takeoff Thrust (kN) 23.4 24.7
Thrust To Weight 11.5 5.6
Afterburner Thrust (kN) 35
Compressor Description 14-stage Fan:Single-stage axial, HP:8-stage axial, variable inlet guide vanes
Turbine Description two-stage Two-stage LP, single-stage HP with air-cooled blades