This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
Gross Mass: 55,500 kg.
Empty Mass: 5,000 kg. Thrust (vac): 80,000 kgf. Isp: 330 sec. Burn time: 205 sec. Propellants: Nitric acid/Kerosene Diameter: 4.0 m. Span: 4.0 m. Length: 10.0 m. Country: Ukraine. No Engines: 1. R-56 Blok B Status: Development 1961.
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Last update 12 March 2001.
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© Mark Wade, 2001 .