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NK15 engine
NK15 engine - NK-15 / 11D51 rocket engine for first stage of N1

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

Manufacturer Name: NK-15. Government Designation: 11D51. Designer: Kuznetsov. Developed in: 1962-72. Application: N-1 stage 1 (block A). Used on stages: N1 1962 - A, N1 1964 - A, N1 Block A, N1U 1965 - A. Used on launch vehicles: N-IU, N-IUV-III, N1, N1 1962, N1 1964, N1 Nuclear A, N1 Nuclear AF, N1 Nuclear V, N1 Nuclear V-B, N1M. Propellants: Lox/Kerosene Thrust(vac): 157,400 kgf. Thrust(vac): 1,544.00 kN. Isp: 318 sec. Isp (sea level): 297 sec. Mass Engine: 1,247 kg. Diameter: 1.5 m. Length: 2.7 m. Chambers: 1. Chamber Pressure: 78.50 bar. Oxidizer to Fuel Ratio: 2.52. Country: Russia. Status: Out of Production. First Flight: 1969. Last Flight: 1972. Flown: 120. References: 341 . Comments: On the basis of NK-9 the NK-15 was developed for the N-1 launcher. 30 were used on the Block A (Stage 1) of the N-1.
NK-15 / 11D51NK-15 / 11D51 - NK-15 / 11D51 rocket engine for first stage of N1

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

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