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KTDU-425

Engine · Russia

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

Isayev N2O4/UDMH rocket engine. Mars 2 and 3 maneuver engine. Out of Production. Pump-fed engine. Could be throttled to 7.05 kN / 9.5 MPa / 2850 m/s. . Chamber pressure 133,2 - 95 bar.

Throttled thrust(vac): 7.050 kN (1,585 lbf). Chamber Pressure: 133.20 bar. Oxidizer to Fuel Ratio: 1.9.

Subtopics

  • KTDU-425A Isayev N2O4/UDMH rocket engine. Mars 4-7, Venera 9-16, Vega 1-2, and Fobos 1-2 maneuvering engine. Out of Production. Could be throttled to 9.86/9.5/2870. Chamber pressure 149 - 95 bar. First flight 1973.
Country
Russia
Spacecraft
Mars M-71
Propellants
N2O4/UDMH
Bibliography
225, 321, 329, 342, 344