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astronautix.com Proton KM-4

KVRB stage
KVRB stage -

Credit: © Mark Wade. 16,991 bytes. 163 x 360 pixels.



Gross Mass: 19,500 kg. Empty Mass: 3,000 kg. Thrust (vac): 7,503 kgf. Isp: 461 sec. Burn time: 780 sec. Propellants: Lox/LH2 Diameter: 3.8 m. Span: 3.8 m. Length: 7.0 m. Country: Russia. No Engines: 1. RD-56M Status: Devel.

8K84 back8K84 back

Credit: © Mark Wade. 48,979 bytes. 534 x 396 pixels.



RD-0225 Almaz engineRD-0225 Almaz engine - RD-0225 main propulsion engine for Almaz space station

Credit: © Dietrich Haeseler. 14,609 bytes. 163 x 365 pixels.



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Last update 12 March 2001.
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