This page no longer updated from 31 October 2001. Latest version can be found at R-56 Blok B

Developed in: 1961. Application: R-56 Blok B. Used on stages: R-56 Blok B. Used on launch vehicles: R-56. Propellants: Nitric acid/Kerosene Thrust(vac): 80,000 kgf. Thrust(vac): 784.00 kN. Isp: 330 sec. Burn time: 205 sec. Chambers: 1. Country: Russia. Status: Design concept 1961. References: 194 . Comments: Notional engines for polyblock R-56, immense booster/ICBM; planned range 16,000 km. payload 35,000 kg. Tsniimash has 1:10 structural simulation model.
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Last update 12 March 2001.
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© Mark Wade, 2001 .