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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. No Engines: 1. R-56 Blok B Status: Development 1961.
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Last update 10 June 1999.
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© Mark Wade, 1999 .