This page no longer updated from 31 October 2001. Latest version can be found at RD-172

Manufacturer Name: RD-172. Designer: Glushko. Developed in: -1994. Application: Zenit-3 stage 1 (?). Propellants: Lox/Kerosene Thrust(vac): 851,871 kgf. Thrust(vac): 8,354.00 kN. Isp: 337 sec. Isp (sea level): 311 sec. Mass Engine: 11,703 kg. Diameter: 4.0 m. Length: 3.8 m. Chambers: 4. Chamber Pressure: 258.90 bar. Area Ratio: 36.87. Oxidizer to Fuel Ratio: 2.60. Country: Russia. Status: Developed -1994. References: 354 . Comments: Uprated version of RD-171. To have been qualified for flight 1994.
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Last update 12 March 2001.
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© Mark Wade, 2001 .