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astronautix.com UR-700 / RO-31


Family: UR. Country: Russia. Status: Design 1968.

UR-700 with high energy upper stage consisting of 7 x RO-31 Nuclear A engines using LH2+Methane propellants with a total thrust of 280 tonnes. Usable third stage propellant 196 tonnes, payload increased to 230 to 250 tonnes


Specifications

LEO Payload: 270,000 kg. to: 200 km Orbit. at: 51.0 degrees. Liftoff Thrust: 5,760,000 kgf. Total Mass: 4,823,000 kg. Core Diameter: 17.6 m. Total Length: 76.0 m.



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Last update 12 March 2001.
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