Encyclopedia Astronautica
1969.01.29 - Lunar systems status

Review of spacesuit development at Zvezda Factory with Gay Severin. The specifications for the moon suit are 10 hours life, 80 kg mass, able to handle a heat load of 500 kcal/hour. But this load is insufficient for heavy work.

By comparison, the suits used by Leonov and Khrunov could only handle 200-250 kcal/hour. 14 suits have been completed for tests. In the afternoon Soyuz descent systems are reviewed at Aleksander Lobanov's institute. The descent system parachutes are rated for a 10 tonne payload, but 40 tonnes of force are required to pull the parachute out of the compartment in the capsule. Individual parachutes could be provided for the crew, weight 6 kg each. This would evidently be considered as the back-up on L1 and LOK flights where the capsule had a side hatch and no reserve parachute.

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