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RD-191
Part of RD-170
Glushko LOx/Kerosene rocket engine. Proposed for stage 1 of Angara. Single chamber from 4-chamber RD-170 would have been cheap and fast to develop. Only reached the draft project stage by 2003. Gimbaling +/- 8 degree in two planes.

AKA: RD-191M. Status: In development. Date: 1996-. Number: 132 . Thrust: 2,079.00 kN (467,377 lbf). Unfuelled mass: 3,230 kg (7,120 lb). Specific impulse: 337 s. Specific impulse sea level: 311 s. Burn time: 150 s. Height: 4.05 m (13.28 ft). Diameter: 2.00 m (6.50 ft).

Engine: 3,230 kg (7,120 lb). Chamber Pressure: 257.00 bar. Area Ratio: 37. Thrust to Weight Ratio: 64.56. Oxidizer to Fuel Ratio: 2.6.

Country: Russia. Propellants: Lox/Kerosene. Stages: Angara UM. Agency: Glushko bureau. Bibliography: 287, 325, 352, 7505.
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