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Government Designation: 11D121. Designer: Korolev. Developed in: 1969-74. Application: N-1 stage 1 (block A) roll control engine. Used on stages: N1F Block A. Used on launch vehicles: N1F. Propellants: GOX/Kerosene Thrust(vac): 7,000 kgf. Thrust(vac): 68.65 kN. Isp: 313 sec. Isp (sea level): 273 sec. Chambers: 1. Chamber Pressure: 71.60 bar. Country: Russia. Status: Developed 1969-74. References: 342 , 344 . Comments: Gimbaling +/- 45 degree. Propellants are fed from main engine (NK-15, NK-33) turbopumps.
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Last update 12 March 2001.
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