This page no longer updated from 31 October 2001. Latest version can be found at SLS Stage C

Gross Mass: 960,000 kg. Empty Mass: 53,000 kg. Thrust (vac): 1,088,376 kgf. Isp: 428 sec. Burn time: 350 sec. Propellants: Lox/LH2 Diameter: 7.6 m. Span: 7.6 m. Length: 53.0 m. Country: USA. No Engines: 2. M-1 Status: Study 1961. Comments: Launch vehicle core stage for Project Lunex. Empty mass estimated; thrust, engines estimated based on requirements.
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Last update 12 March 2001.
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© Mark Wade, 2001 .