Lox/LH2 propellant rocket stage. Loaded/empty mass 825,000/58,000 kg. Thrust 10,673.32 kN. Vacuum specific impulse 428 seconds. Launch vehicle core stage for Project Lunex. Masses estimated based on optimum apportioning of B+C stage total masses. Thrust, engines estimated based on requirements.
No Engines: 2.
Status: Study 1961.
More... - Chronology...
Gross mass: 825,000 kg (1,818,000 lb).
Unfuelled mass: 58,000 kg (127,000 lb).
Height: 53.00 m (173.00 ft).
Diameter: 7.62 m (24.99 ft).
Span: 7.62 m (24.99 ft).
Thrust: 10,673.32 kN (2,399,458 lbf).
Specific impulse: 428 s.
Burn time: 350 s.
M-1 Aerojet lox/lh2 rocket engine. 5335.9 kN. Study 1961. Isp=428s. Engine developed 1962-1966 for Uprated Saturn and Nova million-pound payload boosters to support manned Mars missions. Reached component test stage before cancellation. More...
Associated Launch Vehicles
SLS BC-2720 American orbital launch vehicle. The BC-2720 was the member of the SLS family selected to boost the Air Force Lunex lunar lander on a direct lunar trajectory. This would have used four 180 inch solid rocket boosters strapped around an the 'C' Lox/LH2 core vehicle. The core would have required either 12 J-2 engines or 2 M-1 engines. The translunar injection third stage was the 'B', with a single J-2 engine. More...
Lox/LH2 Liquid oxygen was the earliest, cheapest, safest, and eventually the preferred oxidiser for large space launchers. Its main drawback is that it is moderately cryogenic, and therefore not suitable for military uses where storage of the fuelled missile and quick launch are required. Liquid hydrogen was identified by all the leading rocket visionaries as the theoretically ideal rocket fuel. It had big drawbacks, however - it was highly cryogenic, and it had a very low density, making for large tanks. The United States mastered hydrogen technology for the highly classified Lockheed CL-400 Suntan reconnaissance aircraft in the mid-1950's. The technology was transferred to the Centaur rocket stage program, and by the mid-1960's the United States was flying the Centaur and Saturn upper stages using the fuel. It was adopted for the core of the space shuttle, and Centaur stages still fly today. More...
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