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astronautix.com R-11
Gross Mass: 4,660 kg. Empty Mass: 955 kg. Thrust (vac): 9,512 kgf. Isp: 251 sec. Burn time: 78 sec. Propellants: Nitric acid/Kerosene Isp(sl): 219 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-1B Scud A. Other designations: 8A61.

First Russian ballistic missile using storable propellants. Enlargement/elaboration of German Wasserfall SAM. Developed by Korolev OKB, then Makeyev OKB spun off to develop Army and SLBM derivatives. Range 270 km with 690 kg, accuracy 1.5 km/0.75 km. Maximum altitude 78 km. Time of flight 5.4 minutes. Max velocity at burnout 1430 m/s. Source: Wall chart, Russian Space Agency HQ, Moscow.

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Last update 12 March 2001.
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