This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
Gross Mass: 15,627 kg.
Empty Mass: 5,498 kg. Thrust (vac): 28 kgf. Isp: 5,300 sec. Burn time: 1,900,000 sec. Propellants: Mercury Isp(sl): 0 sec. Diameter: 4.4 m. Span: 4.4 m. Length: 18.0 m. Country: USA. No Engines: 1. Ion Status: Study. Comments: 1970's conceptual design of ion upper stage sized for use in the shuttle. It was nuclear-electric and intended for trans-Jovian planetary missions.
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Last update 12 March 2001.
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© Mark Wade, 2001 .