RD-0120M

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RD-0120M

Part of RD-0120

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.
Credit: © Mark Wade

Kosberg LOx/LH2 rocket engine. Energia-M core stage. Development ended 1993. 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.

AKA: 11D122A. Status: Development ended 1993. Date: 1987-1991. Number: 8 . Thrust: 1,961.00 kN (440,850 lbf). Unfuelled mass: 3,450 kg (7,600 lb). Specific impulse: 455 s. Specific impulse sea level: 372 s. Burn time: 600 s. Height: 4.55 m (14.92 ft). Diameter: 2.42 m (7.93 ft).

The original RD-0120 engines are mothballed at Baikonur.

Thrust (sl): 1,517.100 kN (341,058 lbf). Thrust (sl): 154,702 kgf. Engine: 3,450 kg (7,600 lb). Chamber Pressure: 218.00 bar. Area Ratio: 85.7. Thrust to Weight Ratio: 57.97. Oxidizer to Fuel Ratio: 6.

Country: Russia. Launch Vehicles: Energia M. Propellants: Lox/LH2. Stages: Angara Stage 2, Energia M-1. Agency: Kosberg bureau.

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