NASA Rocket Liquid Hydrogen Tank Moved for Priming
These videos show how teams moved and prepared a liquid hydrogen tank for the SLS (Space Launch System) rocket for priming in the Vertical Assembly Building at NASA’s Michoud Assembly Facility in New Orleans Nov. 21, 2023. The hardware will form part of the core stage for the SLS rocket that will power Artemis III. To prepare the flight hardware for primer, the tank underwent internal cleaning in nearby Cell E in October. Internal cleaning is part of the manufacturing process for the core stage. After testing, both of the stage’s propellant tanks and its dry structures – the elements that do not hold fuel – are cleaned, primed, and readied for the next phase of production Technichians will next sand down and prepare the surface of the tank before coating it in a primer. Primer is applied to the barrel section of the tank by an automated robotic tool, whereas the forward and aft domes are primed manually. The propellant tank is the largest of the five major elements that make up the 212-foot-tall Moon rocket stage. The core stage, along with its four RS-25 engines, produce two million pounds of thrust to help launch NASA’s Orion spacecraft, astronauts, and supplies beyond Earth’s orbit and to the lunar surface for Artemis.
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