This page no longer updated from 31 October 2001. Latest version can be found at Rombus Tank

Gross Mass: 110,544 kg. Empty Mass: 14,172 kg. Thrust (vac): 0 kgf. Isp: 459 sec. Burn time: 130 sec. Propellants: Lox/LH2 Isp(sl): 359 sec. Diameter: 7.6 m. Span: 7.6 m. Length: 30.5 m. Country: USA. No Engines: 0. None Status: Study 1965. Comments: 8 of these liquid hydrogen tanks would be mounted around the core of Rombus and stage in pairs at 130 seconds, 196 seconds, and 300 seconds after launch.
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Last update 12 March 2001.
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© Mark Wade, 2001 .