This page no longer updated from 31 October 2001. Latest version can be found at Ares Stage 2

Gross Mass: 172,000 kg. Empty Mass: 13,200 kg. Thrust (vac): 113,500 kgf. Isp: 465 sec. Burn time: 640 sec. Propellants: Lox/LH2 Diameter: 10.0 m. Span: 10.0 m. Length: 16.0 m. Country: USA. No Engines: 1. Ares LH2 Status: Design. Comments: Trans-Mars injection stage. Alternatively 7 RL10-derived engines.
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Last update 12 March 2001.
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© Mark Wade, 2001 .