This page no longer updated from 31 October 2001. Latest version can be found at Keldysh Sled

Gross Mass: 50,000 kg. Empty Mass: 25,000 kg. Thrust (vac): 600,000 kgf. Isp: 285 sec. Burn time: 11 sec. Propellants: Lox/Kerosene Isp(sl): 252 sec. Diameter: 3.6 m. Span: 3.6 m. Length: 14.0 m. Country: USSR. No Engines: 6. RKDS-100 Status: Design 1946. Comments: Boosts Keldysh bomber to launch speed of 500 m/s. Mass estimated based on fuel consumed in 11 second boost phase.
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Last update 12 March 2001.
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© Mark Wade, 2001 .