This page no longer updated from 31 October 2001. Latest version can be found at Proton KM-3

Gross Mass: 50,300 kg. Empty Mass: 3,700 kg. Thrust (vac): 62,600 kgf. Isp: 327 sec. Burn time: 230 sec. Propellants: N2O4/UDMH Diameter: 4.2 m. Span: 4.2 m. Length: 6.9 m. Country: Russia. No Engines: 1. RD-0212 Status: Hardware.
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Last update 12 March 2001.
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© Mark Wade, 2001 .