Soyuz 11A511U-0
R-7 aft end

Credit - © Mark Wade
Gross Mass: 44,500 kg (98,100 lb). Empty Mass: 3,784 kg (8,342 lb). Thrust (vac): 994.300 kN (223,528 lbf). Isp: 310 sec. Burn time: 120 sec. Propellants: Lox/Kerosene. Isp(sl): 264 sec. Diameter: 2.68 m (8.79 ft). Span: 2.68 m (8.79 ft). Length: 19.60 m (64.30 ft). Country: Russia. No Engines: 1. Engine: RD-107-11D511. Status: Design 2000. Cost $ : 5.000 million. First Flight: 1973. Last Flight: 2006. No Launched: 2880. No Failed: 12.

Gross mass includes 1190 kg of hydrogen peroxide and 280 kg of liquid nitrogen expended during ascent but not contributing to propulsion.

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