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astronautix.com Soyuz 11A511U-1
R-7 aft end
R-7 aft end -

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Gross Mass: 105,400 kg. Empty Mass: 6,875 kg. Thrust (vac): 101,675 kgf. Isp: 311 sec. Burn time: 286 sec. Propellants: Lox/Kerosene Isp(sl): 245 sec. Diameter: 3.0 m. Span: 3.0 m. Length: 27.8 m. Country: Russia. No Engines: 1. RD-108-11D512 Status: Hardware. Comments: Gross mass includes 2600 kg of hydrogen peroxide and 520 kg of liquid nitrogen expended during ascent but not contributing to propulsion.
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Last update 12 March 2001.
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