This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com

astronautix.com GR-1 Stage 1


Gross Mass: 80,000 kg. Empty Mass: 6,000 kg. Thrust (vac): 171,000 kgf. Isp: 325 sec. Burn time: 140 sec. Propellants: Lox/Kerosene Isp(sl): 280 sec. Diameter: 2.7 m. Span: 3.3 m. Length: 18.5 m. Country: Russia. No Engines: 4. NK-9 Status: Development 1964. Other designations: 8K513 Blok A. Comments: Payload 4,000 kg (2.2 MT nuclear warhead). Range 13,000 km or orbital. Accuracy (90%) 5 km in range and 3 km in dispersion. Masses estimated based on total vehicle mass of 117 tonnes.
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Last update 12 March 2001.
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© Mark Wade, 2001 .