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astronautix.com N1 Block A
NK-15 / 11D51
NK-15 / 11D51 - NK-15 / 11D51 rocket engine for first stage of N1

Credit: © Mark Wade. 57,039 bytes. 382 x 577 pixels.

Gross Mass: 1,880,000 kg. Empty Mass: 130,000 kg. Thrust (vac): 5,130,000 kgf. Isp: 330 sec. Burn time: 125 sec. Propellants: Lox/Kerosene Isp(sl): 284 sec. Diameter: 10.3 m. Span: 16.9 m. Length: 30.1 m. Country: Russia. No Engines: 30. NK-15 Status: Hardware. Comments: Includes 14,000 kg for Stage 1-2 interstage and payload fairing. Compared to total fuelled mass excludes 15,000 kg propellant expended in thrust build-up and boil-off prior to liftoff. Values as in draft project as defended on 2-16 July 1962.
NK15 engineNK15 engine - NK-15 / 11D51 rocket engine for first stage of N1

Credit: © Mark Wade. 48,814 bytes. 346 x 537 pixels.

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Last update 12 March 2001.
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