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.
Status: Out of Production. Date: 1953-59. Thrust: 93.00 kN (20,907 lbf). Specific impulse: 218 s. Specific impulse sea level: 218 s.
Propellant Formulation: AK20I/T-1. Oxidizer to Fuel Ratio: 3.76.