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RD-0225
RD-0225 Almaz engine
RD-0225 Almaz engine
RD-0225 main propulsion engine for Almaz space station
Credit: © Dietrich Haeseler
Kosberg N2O4/UDMH rocket engine. Almaz space station orbital maneuvering. Hardware. Originally designed for UR-100 follow-on spaceships. Two engines used on Almaz space station for orbital maneuvering, Pressure fed. First flight 1974.

AKA: 11D24. Status: Hardware. Date: 1966-71. Thrust: 3.92 kN (882 lbf). Unfuelled mass: 23 kg (50 lb). Specific impulse: 287 s. Burn time: 1,200 s. Height: 1.00 m (3.27 ft). Diameter: 0.46 m (1.50 ft).

Engine: 23 kg (50 lb). Chamber Pressure: 8.80 bar. Area Ratio: 64. Thrust to Weight Ratio: 17.39. Oxidizer to Fuel Ratio: 1.85.



Subtopics

RD-0237 Kosberg N2O4/UDMH rocket engine. UR-100N / RS-18 (SS-19) stage 3. MIRV service block. Open cycle. Analogous to RD-0225, pressure fed. Steering engine for space vehicles gimbaling +/- 45 degree. First flight 1972.

Family: Storable liquid. Country: Russia. Spacecraft: Almaz APOS, Almaz OPS-2, Almaz OPS, Almaz-T, Almaz-1B, Almaz-2. Launch Vehicles: Proton. Propellants: N2O4/UDMH. Stages: Proton KM-4. Agency: Kosberg bureau. Bibliography: 307, 95.
Photo Gallery

RD-0225RD-0225
Credit: KBKhA


8K84 back8K84 back
Credit: © Mark Wade



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