This page no longer updated from 31 October 2001. Latest version can be found at Shuttle R134C-2

Gross Mass: 424,449 kg. Empty Mass: 138,910 kg. Thrust (vac): 489,885 kgf. Isp: 459 sec. Burn time: 264 sec. Propellants: Lox/LH2 Isp(sl): 359 sec. Diameter: 4.6 m. Span: 37.8 m. Length: 64.0 m. Country: USA. No Engines: 2. SSME Study Status: Study. Comments: Delta winged configuration.
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Last update 12 March 2001.
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© Mark Wade, 2001 .