This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
Government Designation: 8D423. Designer: Izotov. Application: UR-100 stage 2. Used on stages: UR-100 Stage 2. Used on launch vehicles: UR-100. Used on spacecraft: LK-700. Propellants: N2O4/UDMH Thrust(vac): 13,404 kgf. Thrust(vac): 131.00 kN. Isp: 325 sec. Burn time: 184 sec. Chambers: 1. Country: Russia. Status: Out of Production. References: 293 . Comments: Single chamber engine for UR-100 stage 2. Gas generator cycle with two large turbine exhaust pipes. Photos available in Russian Arms Cat. (Gives thrust as 15,200 kgf, Ispvac=326)).
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Last update 12 March 2001.
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© Mark Wade, 2001 .