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MB-3-1
Part of LR79 Family
MB-1/MB-3
MB-1/MB-3
Credit: © Mark Wade
Rocketdyne LOx/Kerosene rocket engine. Out of production. Designed for booster applications. Gas generator, pump-fed. Boosted Delta A, B, C, Thor Able-Star. First flight 1960.

AKA: MB-3. Status: Out of production. Date: 1957. Number: 43 . Thrust: 760.60 kN (170,990 lbf). Unfuelled mass: 643 kg (1,417 lb). Specific impulse: 285 s. Specific impulse sea level: 250 s. Burn time: 164 s. Diameter: 2.44 m (8.00 ft).

Thrust (sl): 667.200 kN (149,993 lbf). Thrust (sl): 68,039 kgf. Engine: 643 kg (1,417 lb). Chamber Pressure: 40.00 bar. Area Ratio: 8. Propellant Formulation: Lox/RP-1. Thrust to Weight Ratio: 120.628304821151. Coefficient of Thrust vacuum: 1.39705131752785. Coefficient of Thrust sea level: 1.19705131752785.



Country: USA. Launch Vehicles: Thor Delta A, Thor Ablestar, Thor Delta B, Delta C. Propellants: Lox/Kerosene. Stages: Thor DM-21. Agency: Rocketdyne.

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