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S2.253
Isayev Nitric acid/Kerosene rocket engine. R-11 (Scud B) 8A61. Thrust 8300 kgf at sea level. Fuel Kerosene T-1, chemical ignition by TG-02. First flight 1953.

Date: 1949-55. Number: 92 . Thrust: 93.30 kN (20,975 lbf). Specific impulse: 251 s. Specific impulse sea level: 219 s. Burn time: 95 s. Diameter: 0.96 m (3.14 ft).

Thrust (sl): 71.000 kN (15,961 lbf). Thrust (sl): 7,242 kgf. Propellant Formulation: AK20I/T-1.



Subtopics

S2.253 derivative Isayev LOx/Kerosene rocket engine. EKR (experimental winged missile). Study 1953. Derivative of S2.253 was proposed for use in EKR Stage 1 (project for an experimental winged missile).

S2.253A Isayev Nitric acid/Kerosene rocket engine. R-11FM. Out of Production. Used in R-11FM submarine version of Scud B. Fuel Kerosene T-1, chemical ignition by TG-02. Mixture ratio derived from tank content. 81 kN sea-level.

Family: Storable liquid. Country: Russia. Launch Vehicles: R-11, R-11FM. Propellants: Nitric acid/Kerosene. Stages: R-11 stage, Hwasong 5 stage, Hwasong 6 stage, R-11FM stage. Agency: Isayev bureau. Bibliography: 21, 340, 344.

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