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X-405
GE LOx/Kerosene rocket engine. Vanguard 1st stage. First flight 1957.

AKA: LR50-GE-1. Number: 12 . Thrust: 134.80 kN (30,304 lbf). Unfuelled mass: 191 kg (421 lb). Specific impulse: 270 s. Specific impulse sea level: 248 s. Burn time: 145 s. Diameter: 1.14 m (3.74 ft).

Thrust (sl): 123.800 kN (27,831 lbf). Thrust (sl): 12,625 kgf. Engine: 191 kg (421 lb). Chamber Pressure: 42.00 bar. Area Ratio: 5.5. Thrust to Weight Ratio: 71.9633507853403. Coefficient of Thrust vacuum: 1.81140659230715. Coefficient of Thrust sea level: 1.68045421135476.



Country: USA. Launch Vehicles: Vanguard. Propellants: Lox/Kerosene. Stages: Vanguard-1. Agency: GE.

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