This page no longer updated from 31 October 2001. Latest version can be found at Saturn S-N V-25(S)U

Gross Mass: 245,760 kg. Empty Mass: 71,190 kg. Thrust (vac): 90,686 kgf. Isp: 825 sec. Burn time: 1,500 sec. Propellants: Nuclear/LH2 Diameter: 10.1 m. Span: 10.1 m. Length: 48.2 m. Country: USA. No Engines: 1. Nerva Status: Study 1969. Comments: Version of Nerva studied by Boeing for manned Mars expedition.
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Last update 12 March 2001.
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© Mark Wade, 2001 .