This page no longer updated from 31 October 2001. Latest version can be found at RD-0255

Manufacturer Name: RD-0255. Designer: Kosberg. Developed in: 1983-89. Application: R-36M2 / RS-20V (SS-18 Mod-4) stage 2. Used on stages: R-36M2-2. Used on launch vehicles: Dnepr. Propellants: N2O4/UDMH Thrust(vac): 77,000 kgf. Thrust(vac): 755.00 kN. Chambers: 1 + 4. Country: Russia. Status: Out of Production. References: 342 , 309 , 330 . Comments: Comprises of single-chamber main engine RD-0256 plus four-chamber steering engines RD-0257. Development based on RD-0228 with thrust increase by 11%.
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Last update 12 March 2001.
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© Mark Wade, 2001 .