LK-1 was a projected Soviet crewed lunar flyby spacecraft. It would be launched on a three-stage Proton launch vehicle. The project started in 1962 under the lead engineer

Vladimir Chelomey Vladimir Nikolayevich Chelomey or Chelomei (russian: Влади́мир Никола́евич Челоме́й; 30 June 1914 – 8 December 1984) was a Soviet engineer of Ukrainian ethnicity and designer in missile program of the former Sovie ...

, with the first flight planned for 1967. The LK-1 had its origin in several early 1960s spacecraft projects under the generic names of ''kosmoplans'' and ''raketoplans''. In 1965 the project was cancelled in favour of the

Soyuz 7K-L1 The Soyuz 7K-L1 "Zond" spacecraft was designed to launch men from the Earth to circle the Moon without going into lunar orbit in the context of the Soviet crewed Moon-flyby program in the Moon race. It was based on the Soyuz 7K-OK. Several mo ...

spacecraft. Further developments came as the

LK-700 LK-700 was a Soviet direct ascent lunar lander program proposed in 1964. It was developed by Vladimir Chelomey as an alternative to the N1-L3 program. It was also a further development of the LK-1 lunar flyby spacecraft. It would have been laun ...

direct-descent lunar lander program.

Configuration

The spacecraft consisted of the following modules: * ADU Emergency Engine Unit *

VA Capsule The Vozvraschaemyi Apparat (russian: Возвращаемый Аппарат, lit=Return Vehicle, GRAU index 11F74), or VA spacecraft, was a Soviet crew capsule, intended to serve as a crewed launch and reentry vehicle. Initially designed for t ...

(crew module) * PAB Equipment-Rocket System Block (service module) * RB Translunar Injection Stage

Characteristics

* Crew Size: 2 * Spacecraft delta v: 3,300 m/s * Electric System: 2.00 average kW. * Gross mass: 17,000 kg * Un-fuelled mass: 4,000 kg * Height: 5.20 m * Span: 7.27 m

External links

Encyclopedia Astronautica The ''Encyclopedia Astronautica'' is a reference web site on space travel. A comprehensive catalog of vehicles, technology, astronauts, and flights, it includes information from most countries that have had an active rocket research program, f ...

:
LK-1
with an image of an assembled translunar spacecraft

References

{{Crewed lunar spacecraft Crewed spacecraft Cancelled Soviet spacecraft Soviet lunar program Crewed space program of the Soviet Union NPO Mashinostroyeniya products