This page no longer updated from 31 October 2001. Latest version can be found at RD-274

Manufacturer Name: RD-274. Designer: Glushko. Developed in: 1975-85. Propellants: N2O4/UDMH Thrust(vac): 504,963 kgf. Thrust(vac): 4,952.00 kN. Isp (sea level): 296 sec. Chambers: 4. Chamber Pressure: 226.00 bar. Country: Russia. Status: Developed 1975-85. References: 323 . Comments: Upgrade of RD-264 engine with increased chamber pressure and thrust. Development stopped due to problems, e.g. turbopump shaft balance. Consists of four RD-273 engines.
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Last update 12 March 2001.
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© Mark Wade, 2001 .