Encyclopedia Astronautica
N1-MOK


Air/Lox/LH2 propellant rocket stage. Loaded/empty mass 1,200,000/300,000 kg. Thrust 15,600.00 kN. Specific impulse 430 seconds. Ultimate derivative of N1 Block A: 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 orb

No Engines: 16.

Status: Study 1974.
Gross mass: 1,200,000 kg (2,600,000 lb).
Unfuelled mass: 300,000 kg (660,000 lb).
Height: 30.00 m (98.00 ft).
Diameter: 10.00 m (32.00 ft).
Span: 17.00 m (55.00 ft).
Thrust: 15,600.00 kN (3,507,000 lbf).
Specific impulse: 430 s.
Specific impulse sea level: 875 s.
Burn time: 410 s.

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Associated Countries
Associated Engines
  • NK-33 LH2 Mod + 4 x LACE Kuznetsov air augmented rocket engine. 980.7 kN. N1-MOK. Study 1974. Isp=430s. 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. More...

Associated Launch Vehicles
  • N1-MOK Russian heavy-lift orbital launch vehicle. Ultimate derivative of N1. Single-stage-to-orbit vehicle based on N1 Block A. 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 450 km / 97.5 degree MKBS orbit. Briefly described in RKK Energia official history and in some detail in Peter James'
      1974
    book Soviet Conquest from Space! More...

Associated Propellants
  • Air/Lox/LH2 Ambient air (78 % nitrogen, 21% oxygen, etc.) is scooped up by air intakes and used in turbojet, turbofan, ramjet, scramjet, or other airbreathing engines as an oxidiser. In this variant the motor converts to pure rocket propulsion, using on-board liquid oxygen for the final push to orbit. More...

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