This page no longer updated from 31 October 2001. Latest version can be found at www.astronautix.com
|NK-33 - |
Credit: Karl Dodenhoff. 23,908 bytes. 176 x 329 pixels.
Manufacturer Name: NK-33. Government Designation: 11D111. Designer: Kuznetsov. Developed in: 1970-74. Application: N-1F stage 1 (block A). Used on stages: Kistler Stage 1, N1F Block A. Used on launch vehicles: Kistler, N1F, N1F Sr, N1F-L3M. Propellants: Lox/Kerosene Thrust(vac): 167,000 kgf. Thrust(vac): 1,638.00 kN. Isp: 331 sec. Isp (sea level): 297 sec. Burn time: 600 sec. Mass Engine: 1,222 kg. Diameter: 1.5 m. Length: 3.7 m. Chambers: 1. Chamber Pressure: 145.70 bar. Area Ratio: 27.00. Oxidizer to Fuel Ratio: 2.80. Country: Russia. Status: In Production. References: 351 .
After initial failures of N1 modified engines with multiple ignition capability and increased life were developed. NK-33 was tested at thrust of up to 204 t, variations of components ratio up to 20% and total burning time up to 1200 sec. Mothballed, never flown until selected by Kistler for their commercial launch vehicle in 1996.
Back to Index
Last update 12 March 2001.
Definitions of Technical Terms.
Contact Mark Wade with any corrections or comments.
Conditions for use of drawings, pictures, or other materials from this site..
© Mark Wade, 2001 .