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Manufacturer Name: NK-33 LH2 Mod. Designer: Kuznetsov. Developed in: 1974. Application: N1-MOK. Used on stages: N1-MOK. Used on launch vehicles: N1-MOK. Propellants: Air/Lox/LH2 Thrust(vac): 100,000 kgf. Thrust(vac): 980.70 kN. Isp: 430 sec. Burn time: 410 sec. Chambers: 1. Country: Russia. Status: Developed 1974. References: 21 . Comments: Ultimate derivative of NK-9. Propellants changed to LH2/LOX, 16 x modified NK-33 engines + 4 Liquid Air Cycle Engine Liquid Air/LH2 boosters. All figures estimated based on tank volume of Block A and delivery of 90,000 kg payload to 400 kg MKBS orbit.
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Last update 12 March 2001.
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