This page no longer updated from 31 October 2001. Latest version can be found at Nova DAC ISI-1

Gross Mass: 3,084,000 kg. Empty Mass: 142,000 kg. Thrust (vac): 7,153,000 kgf. Isp: 350 sec. Burn time: 141 sec. Propellants: Lox/LH2 Isp(sl): 320 sec. Diameter: 21.3 m. Span: 28.0 m. Length: 30.5 m. Country: USA. No Engines: 14. Chamber/single nozzle Status: Study 1963. Comments: Operational date would have been July 1977. Recoverable stage. 10% plug nozzle. .
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Last update 12 March 2001.
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© Mark Wade, 2001 .