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astronautix.com N1 Block S


Gross Mass: 58,000 kg. Empty Mass: 8,000 kg. Thrust (vac): 40,000 kgf. Isp: 440 sec. Burn time: 540 sec. Propellants: Lox/LH2 Diameter: 6.7 m. Span: 6.7 m. Length: 16.0 m. Country: Russia. No Engines: 1. RD-57 Status: Design 1967. Comments: Designed 1965-1971 as replacement for N-1 Blok G. Cancelled in 1971 in favor of development of single stage, Block Sr.
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Last update 12 March 2001.
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