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astronautix.com Proton K-1
RD-253 engine
RD-253 engine -

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

Gross Mass: 450,510 kg. Empty Mass: 31,100 kg. Thrust (vac): 1,067,659 kgf. Isp: 316 sec. Burn time: 124 sec. Propellants: N2O4/UDMH Isp(sl): 267 sec. Diameter: 4.2 m. Span: 7.4 m. Length: 21.2 m. Country: Russia. No Engines: 6. RD-253-11D48 Status: Hardware. Other designations: 8S810K.
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Last update 12 March 2001.
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