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KTDU-5A

Engine · Russia

Original archive entry. The text, images and links below are kept as they were written.

Isayev Nitric acid/Amine rocket engine. Used on Luna E-6 probes. Out of Production. First turbopump engine with surface tension propellant management devices in tanks, allowing re-ignition in zero-G.

Three fixed steering thrusters using the turbine exhaust gas for attitude control. Thrusts 45.5 + 0.245 kN. System mass 138.2 kg incl. tanks. Used on Luna E-6, Luna E-6LF, Luna E-6LS, Luna E-6M, Luna E-6S.

Chambers: 1 + 3. Engine: 48 kg (105 lb). Chamber Pressure: 62.80 bar. Area Ratio: 43.4. Propellant Formulation: AK271/TG-02. Thrust to Weight Ratio: 50.4658385093168. Oxidizer to Fuel Ratio: 3.6. Coefficient of Thrust sea level: 0.

Country
Russia
Bibliography
225, 320, 329, 342, 344, 85