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astronautix.com YaRD OKB-670


Designer: Bondaryuk. Developed in: 1958-. Application: nuclear launcher. Used on stages: YaRD ICBM OKB-670. Used on launch vehicles: YaRD ICBM OKB-670. Propellants: Nuclear/Ammonia+Alcohol Thrust(vac): 170,000 kgf. Thrust(vac): 1,667.00 kN. Isp: 470 sec. Isp (sea level): 430 sec. Burn time: 500 sec. Chambers: 1. Country: Russia. Status: Developed 1958-1960. References: 21 , 89 . Comments: Korolev began work on 3 nuclear launchers on 30 June 1958. Competing engine design was by Glushko. Used nuclear reactor in cylindrical housings, operating at 3000 deg K. Propellant was heated in the reactor and exhausted through four expansion nozzles.
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Last update 12 March 2001.
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