This page no longer updated from 31 October 2001. Latest version can be found at RD-225

Manufacturer Name: RD-225. Designer: Glushko. Developed in: 1960-62. Application: R-26 stage 1. Propellants: Nitric acid/UDMH Thrust(vac): 90,653 kgf. Thrust(vac): 889.00 kN. Isp: 294 sec. Isp (sea level): 251 sec. Burn time: 100 sec. Chambers: 2. Chamber Pressure: 83.40 bar. Area Ratio: 21.00. Oxidizer to Fuel Ratio: 2.50. Country: Russia. Status: Out of Production. First Flight: 1961. References: 320 . Comments: Two clustered together to make RD-224.
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Last update 12 March 2001.
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© Mark Wade, 2001 .