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KDU-414
Isayev Nitric acid/UDMH rocket engine. Molniya 1, Mars 1, Venera 1, Zond 2-3 maneuvering engine. Out of Production. Spacecraft maneuvering engine.

AKA: 11D414;KTDU-414;S5.19. Status: Out of Production. Date: 1960-65. Thrust: 1.96 kN (441 lbf). Unfuelled mass: 61 kg (134 lb). Specific impulse: 272 s. Burn time: 40 s. Height: 1.02 m (3.34 ft). Diameter: 0.74 m (2.42 ft).

Engine: 61 kg (134 lb). Chamber Pressure: 11.80 bar. Propellant Formulation: AK20F/UDMH. Thrust to Weight Ratio: 3.27. Oxidizer to Fuel Ratio: 2.6.



Family: Storable liquid. Country: Russia. Spacecraft: Venera 1VA, Mars 2MV-4, Molniya-1, Mars 3MV-4A. Propellants: Nitric acid/UDMH. Agency: Isayev bureau. Bibliography: 225, 321, 342, 344.

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