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Government Designation: 11D43. Designer: Glushko. Developed in: 1960-64. Application: UR-500 stage 1 original concept. Used on stages: UR-500 Monoblok Stage 1M, UR-500 Polyblock Stage 1P. Used on launch vehicles: Monoblock UR-500, Polyblock UR-500. Propellants: N2O4/UDMH Thrust(vac): 167,425 kgf. Thrust(vac): 1,642.00 kN. Isp: 316 sec. Isp (sea level): 285 sec. Burn time: 115 sec. Chambers: 1. Country: Russia. Status: Developed 1960-64. References: 273 . Comments: Low-expansion ratio gimbaled variant developed for UR-500 stage 1. In initial configuration 4 x 8D43 would be clustered with 4 x Glushko 11D43. Abandoned in favor of 6 x 11D48 by Glushko.
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Last update 12 March 2001.
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