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astronautix.com Proton KM-1

RD-253 engine
RD-253 engine -

Credit: Khrunichev. 10,372 bytes. 162 x 178 pixels.



Gross Mass: 450,400 kg. Empty Mass: 31,000 kg. Thrust (vac): 1,074,000 kgf. Isp: 317 sec. Burn time: 108 sec. Propellants: N2O4/UDMH Isp(sl): 285 sec. Diameter: 7.4 m. Span: 7.4 m. Length: 21.0 m. Country: Russia. No Engines: 6. RD-253-14D14 Status: Hardware.
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Last update 12 March 2001.
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