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LR89-7

Engine · USA

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

MA-5
MA-5
Credit: Boeing / Rocketdyne

Rocketdyne LOx/Kerosene rocket engine. Atlas space launchers. Out of production. Designed for booster applications. Gas generator, pump-fed. Shared turbopumps for booster engines. Evolved from MA-2 ICBM system. First flight 1963.

Thrust (sl): 835.100 kN (187,738 lbf). Thrust (sl): 85,162 kgf. Engine: 712 kg (1,569 lb). Chamber Pressure: 42.00 bar. Area Ratio: 8. Propellant Formulation: Lox/RP-1. Thrust to Weight Ratio: 135.867884750527. Oxidizer to Fuel Ratio: 2.25. Coefficient of Thrust vacuum: 1.53013234508252. Coefficient of Thrust sea level: 1.34831416326433.

Country
USA
Propellants
Lox/Kerosene