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KTDU-35

Engine · Russia

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

Isayev Nitric acid/UDMH rocket engine. Out of Production. Soyuz, Salyut 4 maneuvering engine. KTDU-53 version in L-1 circumlunar spacecraft; KTDU-66 in Salyut 1 space station. Thrusts 4.09 kN main + 4.03 kN secondary. First flight 1966.

Chambers: 1 + 2. Engine: 305 kg (672 lb). Chamber Pressure: 39.20 bar. Propellant Formulation: AK27I/UDMH. Thrust to Weight Ratio: 1.36. Oxidizer to Fuel Ratio: 1.85. Coefficient of Thrust sea level: 0.

Subtopics

  • KTDU-53 Isayev Nitric acid/UDMH rocket engine. Zond 4-7 maneuvering engine. Out of Production. Spacecraft maneuvering engine, derivative of KTDU-35 without back-up engine.
  • KTDU-66 Isayev Nitric acid/UDMH rocket engine. Out of Production. Maneuvering engine for Salyut 1, derivative of KTDU-35. Longer burn time of 1000 s. Comprised single-chamber main engine plus dual-chamber back-up engine. Thrusts 4.09 + 4.03 kN
Country
Russia
Propellants
Nitric acid/UDMH
Bibliography
314, 321, 342, 7437