This page no longer updated from 31 October 2001. Latest version can be found at R-11FM

Gross Mass: 4,473 kg. Empty Mass: 1,080 kg. Thrust (vac): 9,466 kgf. Isp: 250 sec. Burn time: 63 sec. Propellants: Nitric acid/Kerosene Isp(sl): 218 sec. Diameter: 0.9 m. Span: 1.8 m. Length: 7.4 m. Country: Russia. No Engines: 1. S2.253 Status: Hardware. Used as: SS-N-4. Comments: First Russian submarine-launched ballistic missile. Range 150 km with 967 kg warhead. Accuracy 1.5 km in range, 0.75 km lateral.
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Last update 12 March 2001.
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© Mark Wade, 2001 .