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astronautix.com S2.253


Other Designations: S2.253. Designer: Isayev. Developed in: 1949-55. Application: R-11 (Scud B) 8A61. Used on stages: R-11, R-11FM. Used on launch vehicles: R-11, R-11FM. Propellants: Nitric acid/Kerosene Thrust(vac): 9,514 kgf. Thrust(vac): 93.30 kN. Isp: 251 sec. Isp (sea level): 219 sec. Burn time: 95 sec. Diameter: 1.0 m. Chambers: 1. Country: Russia. Status: In Production. References: 21 , 344 . Comments: Thrust 8300 kgf at sea level. Fuel Kerosene T-1, chemical ignition by TG-02.
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Last update 12 March 2001.
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