Encyclopedia Astronautica

Chelomei N2O4/UDMH rocket engine. 132 kN. LK-1 Blok A. Developed 1964-66. Developed in cooperation with OKB-117 on the basis of the latter's main engine for the UR-100 stage II.

Application: LK-1 Blok A.

Status: Developed 1964-66.
Thrust: 132.00 kN (29,674 lbf).
First Launch: 1964-66.

More... - Chronology...

Associated Countries
Associated Spacecraft
  • LK-1 Russian manned lunar flyby spacecraft. Cancelled 1965. The LK-1 was the spacecraft designed by Chelomei for the original Soviet manned lunar flyby project. More...

See also
Associated Manufacturers and Agencies
  • Chelomei Russian manufacturer of rockets, spacecraft, and rocket engines. Chelomei Design Bureau, Reutov, 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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