RD-107-8D74K

RD-107
Credit - © Mark Wade

Manufacturer Name: RD-107. Government Designation: 8D74K. Designer: Glushko. Application: Molniya 8K78-0, R-7A 8K74-0, Voskhod 11A57-0, Vostok 8A92-0, Vostok 8A92M-0. Propellants: Lox/Kerosene. Thrust(vac): 996.000 kN (223,909 lbf). Thrust(sl): 814.000 kN (182,994 lbf). Isp: 313 sec. Isp (sea level): 256 sec. Burn time: 119 sec. Mass Engine: 1,145 kg (2,524 lb). Diameter: 0.67 m (2.19 ft). Length: 2.86 m (9.38 ft). Chambers: 4. Chamber Pressure: 59.70 bar. Area Ratio: 18.90. Thrust to Weight Ratio: 88.64. Country: Russia. First Flight: 1959. Last Flight: 1991. Flown: 1,952.

OKB Glushko. Used on R-7A 8K74 Production Stage 0, Early Molniya stage 0. Developed in 1957-1960. Propellants kerosene (T-1/RG-1) / Lox. Diameter is per chamber.

RD-107-8D74K used on Rocket Stages

Used on stage: Molniya 8K78-0. on launch vehicle: Molniya 8K78.

Used on stage: R-7A 8K74-0. on launch vehicle: R-7A.

Used on stage: Voskhod 11A57-0. on launch vehicle: Polyot 11A59.

Used on stage: Voskhod 11A57-0. on launch vehicle: Voskhod 11A57.

Used on stage: Vostok 8A92-0. on launch vehicle: Vostok 8A92.

Used on stage: Vostok 8A92M-0. on launch vehicle: Vostok 8A92M.

Bibliography and Further Reading

Varfolomyev, Timothy, Spaceflight, "Soviet Rocketry that Conquered Space - Part 1", 1995, Volume 37, page 260. 1: Sp 95/37-260; Sp 96/38-31 (8K71 launches); 2: Sp 96/38-48; 3: Sp 96/38-206; Sp 96/38-317 (designatons); 4: Sp 98/40-28; 5:Sp 98/40-85

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