This page no longer updated from 31 October 2001. Latest version can be found at Vulkan Blok V

Gross Mass: 142,000 kg. Empty Mass: 15,000 kg. Thrust (vac): 42,000 kgf. Isp: 460 sec. Burn time: 1,370 sec. Propellants: Lox/LH2 Isp(sl): 0 sec. Diameter: 6.7 m. Span: 6.7 m. Length: 16.5 m. Country: Russia. No Engines: 1. RD-57M Status: Design 1975. Comments: Upper stage design by KB Saturn for manned lunar expedition, large geosynchronous platform launch.
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Last update 12 March 2001.
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© Mark Wade, 2001 .