This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
Gross Mass: 309,000 kg.
Empty Mass: 54,000 kg. Thrust (vac): 590,000 kgf. Isp: 830 sec. Burn time: 355 sec. Propellants: Nuclear/LH2 Diameter: 8.5 m. Span: 12.2 m. Length: 85.4 m. Country: USA. No Engines: 2. Nuclear 12 Gw Status: Study, Ehricke, 1960. Comments: Nuclear second stage .
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Last update 12 March 2001.
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© Mark Wade, 2001 .