Roscosmos spoke about the preparation of the research module “Science” of the Russian segment of the International Space Station.
At the moment, at the Baikonur cosmodrome, the planned operations of the final stage of factory control tests of the module are underway as part of the ground prelaunch preparation program in the assembly and test building of site No. 254.
The cycle of pneumatic vacuum tests of the “Science” module, designed to accurately control the high requirements for the tightness of large compartments and on-board systems in ground conditions, begins. The module went through preparatory operations, was filled with a helium-air gas mixture and placed in a VK-17T523MR vacuum chamber.
Pneumatic vacuum tests are designed for a month, during which the tightness of the hull, hatches and docking units, as well as the functioning of pneumatic hydraulic systems and external hydraulic circuits will be checked. Then it is planned to install the radiator panels and fill the circuit of the temperature control system, as well as the final installation of the European ERA manipulator.
After the final control tests, the program of the range factory control tests will be completed with the procedure of material and technical acceptance of the Nauka module by the official customer – the Rocket and Space Corporation Energia named after S.P. Queen, which is part of Roskosmos.
Work on the technical complex will be carried out as part of the regular preparation of the module with an estimated duration of 54 days. For this period, it is planned to install solar panels, place the delivered cargo and control weighing of the module, assemble the space warhead, refuel the module’s tanks with propellants and general assembly of the space rocket.
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