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Manufacturer Name: RD-191. Other Designations: RD-191M. Designer: Glushko. Developed in: 1996-. Application: Angara stage 1. Propellants: Lox/Kerosene Thrust(vac): 208,560 kgf. Thrust(vac): 2,079.00 kN. Isp: 337 sec. Isp (sea level): 311 sec. Burn time: 150 sec. Mass Engine: 3,230 kg. Diameter: 2.0 m. Length: 4.0 m. Chambers: 1. Chamber Pressure: 257.00 bar. Area Ratio: 37.00. Oxidizer to Fuel Ratio: 2.60. Country: Russia. Status: Study 1990's. First Flight: 2003. Flown: 132. References: 287 , 325 , 352 . Comments: Proposed for stage 1 of the Angara family of ELVs. This is single chamber motor would be 1/4 of the RD-170/171 so would be cheap and fast to develop. It has only reached the draft project stage. Gimbaling +/- 8 degree in two planes.
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Last update 12 March 2001.
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