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RD-108-8D75K
R-7 aft end
Credit: © Mark Wade
AKA: 8D75K. Number: 488 . Thrust: 941.00 kN (211,545 lbf). Unfuelled mass: 1,252 kg (2,760 lb). Specific impulse: 315 s. Specific impulse sea level: 248 s. Burn time: 340 s. Height: 2.86 m (9.38 ft). Diameter: 0.67 m (2.19 ft).
Chambers: 4. Thrust (sl): 740.400 kN (166,449 lbf). Thrust (sl): 75,504 kgf. Engine: 1,252 kg (2,760 lb). Chamber Pressure: 51.00 bar. Area Ratio: 18.9. Thrust to Weight Ratio: 76.59.
Country: Russia. Launch Vehicles: R-7A, Molniya 8K78, Voskhod 11A57, Vostok 8A92, Sputnik 11A59, Vostok 8A92M. Propellants: Lox/Kerosene. Stages: Molniya 8K78-1, R-7A 8K74-1, Vostok 8A92-1, Voskhod 11A57-1, Vostok 8A92M-1. Agency: Glushko bureau.
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