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KTDU-425A

Engine · Russia

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

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.

Throttled thrust(vac): 9.856 kN (2,216 lbf). Engine: 70 kg (154 lb). Chamber Pressure: 149.00 bar. Thrust to Weight Ratio: 27.54. Oxidizer to Fuel Ratio: 1.9. Coefficient of Thrust vacuum: 0. Coefficient of Thrust sea level: 0.

Country
Russia
Propellants
N2O4/UDMH