Russian manned spacecraft module. Study 1988. Although similar in appearance to LEK ascent stage, 80% smaller and no descent module for reentry into earth's atmosphere. Ascent from lunar surface to lunar orbit, dock with LOK Energia..
Crew Size: 3.
AKA: Vzletnaya stuplen.
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Gross mass: 8,500 kg (18,700 lb).
Unfuelled mass: 4,300 kg (9,400 lb).
Height: 6.40 m (20.90 ft).
Diameter: 4.10 m (13.40 ft).
LK Energia Russian manned lunar lander. Study 1988. Lunar lander for Energia-launched lunar expedition. The LOK and LK lander would be inserted into lunar orbit by separate Energia launches. More...
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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