This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
Gross Mass: 833,732 kg.
Empty Mass: 62,757 kg. Thrust (vac): 1,460,000 kgf. Isp: 425 sec. Burn time: 221 sec. Propellants: Lox/LH2 Isp(sl): 350 sec. Diameter: 8.7 m. Span: 8.7 m. Length: 52.0 m. Country: USA. No Engines: 4. STME Status: Study 91. Other designations: National Launch System.
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Last update 12 March 2001.
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© Mark Wade, 2001 .