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astronautix.com RD-108-8D77
RD-107
RD-107 -

Credit: © Mark Wade. 46,098 bytes. 255 x 392 pixels.

Manufacturer Name: RD-108. Government Designation: 8D77. Designer: Glushko. Application: Sputnik 8A91-1. Used on stages: Sputnik 8A91-1. Used on launch vehicles: Sputnik 8A91. Propellants: Lox/Kerosene Thrust(vac): 82,000 kgf. Thrust(vac): 804.00 kN. Isp: 315 sec. Isp (sea level): 246 sec. Burn time: 370 sec. Mass Engine: 1,250 kg. Diameter: 0.7 m. Length: 2.9 m. Chambers: 4. Chamber Pressure: 39.20 bar. Area Ratio: 18.90. Country: Russia. Status: Out of Production. First Flight: 1958. Last Flight: 1958. Flown: 2. References: 173 . Comments: Diameter is per chamber.
R-7 aft endR-7 aft end

Credit: © Mark Wade. 47,694 bytes. 421 x 583 pixels.

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