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GEM 40

Engine · USA

Original archive entry. The text, images and links below are kept as they were written.

Hercules solid rocket engine. Air-ignited versions have nozzle ratio of 16:1, specific impulse of 283.4 sec. Used on Delta 7925 launch vehicle. First flight 1990.

Thrust (sl): 446.000 kN (100,264 lbf). Thrust (sl): 45,500 kgf. Chamber Pressure: 56.00 bar. Area Ratio: 11. Propellant Formulation: HTPB.

Country
USA
Propellants
Solid
Stages
GEM 40
Agency
Hercules
Bibliography
455, 9664