This page no longer updated from 31 October 2001. Latest version can be found at Barbarian MM-1

Gross Mass: 400,000 kg. Empty Mass: 25,000 kg. Thrust (vac): 620,000 kgf. Isp: 302 sec. Burn time: 175 sec. Propellants: N2O4/Aerozine-50 Isp(sl): 250 sec. Diameter: 3.1 m. Span: 5.8 m. Length: 20.0 m. Country: USA. No Engines: 5. LR-87-11 Status: Study. Comments: All values roughly estimated based on number of engines and diameter given.
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Last update 12 March 2001.
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© Mark Wade, 2001 .