This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
Manufacturer Name: RD-263. Designer: Glushko. Developed in: 1969-73. Application: R-36M / RS-20A (SS-18 Mod 1) stage 1. Propellants: N2O4/UDMH Thrust(vac): 117,777 kgf. Thrust(vac): 1,155.00 kN. Isp: 318 sec. Isp (sea level): 293 sec. Chambers: 1. Chamber Pressure: 206.00 bar. Oxidizer to Fuel Ratio: 2.67. Country: Russia. Status: Out of Production. References: 323 . Comments: Four RD-263 engines combined into RD-264 system.
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Last update 12 March 2001.
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