This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
Gross Mass: 125,000 kg.
Empty Mass: 8,500 kg. Thrust (vac): 270,000 kgf. Isp: 301 sec. Burn time: 120 sec. Propellants: N2O4/UDMH Isp(sl): 269 sec. Diameter: 3.0 m. Span: 3.0 m. Length: 18.9 m. Country: Ukraine. No Engines: 1. RD-251 Status: Hardware.
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Last update 12 March 2001.
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© Mark Wade, 2001 .