As NASA prepares for the first crewed Artemis missions to the Moon, agency propulsion and test teams are setting their sights on future Space Launch System (SLS) flights and working to improve one of the world’s most powerful and reliable rocket engines for missions beginning with Artemis V. A se
to the Moon, agency propulsion and test teams are setting their sights on future Space Launch System flights and working to improve one of the world’s most powerful and reliable rocket engines for missions beginning with Artemis V.is in progress at NASA’s Stennis Space Center near Bay St. Louis, Mississippi, for a redesigned RS-25 engine to support production of additional engines for future SLS flights after NASA’s current inventory of the engine is expended.
Four RS-25 engines power each SLS core stage, producing more than 2 million pounds of combined thrust during the eight-minute climb to orbit. At the end of the Space Shuttle Program, NASA and Aerojet Rocketdyne, the RS-25 lead contractor, had 16 remaining engines.
. Engineers have simplified parts and manufacturing processes, eliminating more than 700 welds, while state-of-the-art technologies like 3D printing and structured light scanning have saved both time and money. With those changes came the need for hot fire testing.
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