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astronautix.com R-56 Block B

R- 56 Stage 2
R- 56 Stage 2 -

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Gross Mass: 213,000 kg. Empty Mass: 13,000 kg. Thrust (vac): 202,000 kgf. Isp: 325 sec. Burn time: 370 sec. Propellants: N2O4/UDMH Diameter: 6.5 m. Span: 6.5 m. Length: 12.0 m. Country: Ukraine. No Engines: 1. RD-254
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Last update 12 March 2001.
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