Encyclopedia Astronautica

Russian manned spacecraft module. Study 1973. Descent stage very similar in appearance to that of Apollo LM, with same function - descent from lunar orbit to landing of crewed module on surface of moon. Landing stage - Carry LEK ascent stage from lunar orbit to lunar surface; act as launching platform for LEK ascent stage..

AKA: Posadochnaya stuplen.
Gross mass: 38,000 kg (83,000 lb).
Unfuelled mass: 9,000 kg (19,800 lb).
Height: 3.90 m (12.70 ft).
Diameter: 5.50 m (18.00 ft).

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Associated Countries
Associated Spacecraft
  • LEK Russian manned lunar lander. Study 1973. Lunar lander for the Vulkan surface base. As in the original LK lunar lander, this would be taken to near zero velocity near the lunar surface by the Vulkan Block V 'lunar crasher' rocket stage. More...

See also
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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