This page no longer updated from 31 October 2001. Latest version can be found at UR-700-1

Gross Mass: 3,210,000 kg. Empty Mass: 222,100 kg. Thrust (vac): 4,116,000 kgf. Isp: 322 sec. Burn time: 151 sec. Propellants: N2O4/UDMH Isp(sl): 301 sec. Diameter: 17.6 m. Span: 24.9 m. Length: 53.6 m. Country: Russia. No Engines: 6. RD-270 Status: Development 1967. Comments: Includes propellant tanks which fed stage two engines from liftoff to first stage cutoff.
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Last update 12 March 2001.
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© Mark Wade, 2001 .