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astronautix.com RD-0225

RD-0225 Almaz engine
RD-0225 Almaz engine - RD-0225 main propulsion engine for Almaz space station

Credit: © Dietrich Haeseler. 14,609 bytes. 163 x 365 pixels.



Manufacturer Name: RD-0225. Government Designation: 11D24. Designer: Kosberg. Developed in: 1966-71. Application: Almaz space station orbital maneuvering. Used on stages: Proton KM-4. Used on spacecraft: Almaz, Almaz-K. Propellants: N2O4/UDMH Thrust(vac): 400 kgf. Thrust(vac): 3.92 kN. Isp: 287 sec. Burn time: 1,200 sec. Mass Engine: 23 kg. Diameter: 0.5 m. Length: 1.0 m. Chambers: 1. Chamber Pressure: 8.80 bar. Area Ratio: 64.00. Oxidizer to Fuel Ratio: 1.85. Country: Russia. Status: Hardware. First Flight: 1974. References: 95 , 307 . Comments: Originally designed for UR-100 follow-ons spaceships. Two engines used on Almaz space station for orbital maneuvering, Pressure fed.

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Credit: © Mark Wade. 48,979 bytes. 534 x 396 pixels.



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