Encyclopedia Astronautica
51T6B ZhRD


Fakel N2O4/UDMH rocket engine.

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Associated Countries
See also
Associated Manufacturers and Agencies
  • Grushin Russian manufacturer of rocket engines and rockets. Fakel Machine Building Design Bureau named for P D Grushin, Khimki, Russia. More...

Associated Propellants
  • N2O4/UDMH Nitrogen tetroxide became the storable liquid propellant of choice from the late 1950's. Unsymmetrical Dimethylhydrazine ((CH3)2NNH2) became the storable liquid fuel of choice by the mid-1950's. Development of UDMH in the Soviet Union began in 1949. It is used in virtually all storable liquid rocket engines except for some orbital manoeuvring engines in the United States, where MMH has been preferred due to a slightly higher density and performance. More...

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