This page no longer updated from 31 October 2001. Latest version can be found at Ares Stage 1

Gross Mass: 787,700 kg. Empty Mass: 64,200 kg. Thrust (vac): 887,764 kgf. Isp: 453 sec. Burn time: 480 sec. Propellants: Lox/LH2 Isp(sl): 363 sec. Diameter: 8.7 m. Span: 8.7 m. Length: 43.0 m. Country: USA. No Engines: 3. SSME Status: Design. Comments: Modification of shuttle external tank. Includes 28.6 tonne SSME engine pod.
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Last update 12 March 2001.
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© Mark Wade, 2001 .