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astronautix.com RD-0120M

RD-0120 Engine
RD-0120 Engine - The original RD-0120 engines, Russian equivalent to the US Space Shuttle Main Engine, are mothballed at Baikonur. Despite various proposals for their use, future production is unlikely.

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Manufacturer Name: RD-0120M. Government Designation: 11D122A. Designer: Kosberg. Developed in: 1987-1991. Application: Energia-M core stage. Used on stages: Angara Stage 2, Energia M. Used on launch vehicles: Angara, Energia M. Propellants: Lox/LH2 Thrust(vac): 200,000 kgf. Thrust(vac): 1,961.00 kN. Isp: 455 sec. Isp (sea level): 372 sec. Burn time: 600 sec. Mass Engine: 3,450 kg. Diameter: 2.4 m. Length: 4.5 m. Chambers: 1. Chamber Pressure: 218.00 bar. Area Ratio: 85.70. Oxidizer to Fuel Ratio: 6.00. Country: Russia. Status: Hardware. First Flight: 1987. Flown: 8. References: 308 . Comments: From 1987 KBKhA worked on upgrading the 11D122 (RD-0120) engine for Energia-M launcher, including the possibility to throttle the engine down to 28% thrust. The original RD-0120 engines are mothballed at Baikonur.
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Last update 12 March 2001.
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© Mark Wade, 2001 .