LK 1

Updated on Dec 25, 2024

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Country of origin Soviet Union Status Canceled Derivatives LK-700, TKS		Operator Soviet space program Manufacturer NPO Mashinostroyeniya

Applications Carry cosmonauts around the Moon and back to Earth Similar LK, Soyuz 7K‑L1, Soyuz 7K‑LOK, Soyuz 7K‑OK, TKS

LK-1 was a projected Soviet manned lunar flyby spacecraft. The project started in 1962, with the lead engineer being Vladimir Chelomey.

The LK-1 had its origin in several early 1960s spacecraft projects under the generic names of kosmoplans and raketoplans.

It would be launched on a three-stage Proton launch vehicle. The first flight was planned for 1967.

In 1965 the project was cancelled in favour of the Soyuz 7K-L1 spacecraft.

Further developments came as the LK-700 direct-descent lunar lander program.

Configuration

The spacecraft consisted of the following modules:

ADU Emergency Engine Unit

VA Capsule (crew module)

PAB Equipment-Rocket System Block (service module)

RB Translunar Injection Stage

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

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