NASA replaces Artemis 1’s leaky fuel seals

NASA has completed a critical repair of its next-generation Space Launch System (SLS) rocket. On Friday, engineers changed the leaky seal that pressured the company to clean its most up-to-date try and launch Artemis 1. On September third, a becoming on one of many fuel strains to the SLS started leaking hydrogen. Ground crew at Kennedy Space Center tried to troubleshoot the issue thrice, just for the leak to persist and drive NASA to name off the launch try. On Friday, engineers additionally changed the seal on a 4-inch hydrogen bleed line that was accountable for a smaller leak throughout an earlier August twenty ninth launch try.

With the brand new gaskets in place, NASA plans to conduct a fueling check to confirm theyre working as supposed. The dry run will see engineers try and load the SLS with all 736,000 gallons of liquid hydrogen and oxygen it might want throughout an everyday flight. NASA hopes to efficiently full that check as early as September seventeenth. This demonstration will enable engineers to verify the brand new seals underneath cryogenic, or supercold, circumstances as anticipated on launch day and earlier than continuing to the subsequent launch try, the company mentioned.

On Thursday, NASA announced it was focusing on September twenty third for one more go at placing Artemis 1 into area, with September twenty seventh as a backup. Whether it will possibly make these dates will depend upon subsequent weeks fueling check and a choice from the US Space Force. Flight laws require that NASA check the battery of Artemis 1s flight termination system each 20 days. Thats one thing it will possibly solely do inside the Kennedy Space Centers Vehicle Assembly Building. The Space Force beforehand granted the company an extension on the 20-day deadline. NASA has now requested for one more waiver.

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