This page no longer updated from 31 October 2001.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

Gross Mass: 5,102,041 kg. Empty Mass: 226,757 kg. Thrust (vac): 10,400,000 kgf. Isp: 459 sec. Burn time: 215 sec. Propellants: Lox/LH2 Isp(sl): 359 sec. Diameter: 16.0 m. Span: 24.4 m. Length: 29.0 m. Country: USA. No Engines: 1. Plug-Nozzle Rombus Status: Study 1965.
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Last update 12 March 2001.
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© Mark Wade, 2001 .