NASA has completed a significant revamp of the next generation Space Launch System (SLS) rocket. On Friday, engineers replaced the leak that forced the agency to scrap its latest attempt to launch Artemis 1. On 3 September, one of the fuel line installations for the SLS began leaking hydrogen. Kennedy Space Center ground crew tried to troubleshoot and troubleshoot three times, only for the leak to continue and force NASA to abort the launch attempt. On Friday, engineers also replaced the seals on the 4-inch hydrogen “thaw line,” which accounted for small leaks in the previous period. Trying to start on August 29th.
With the new gasket, NASA plans to run a refueling test to verify that they are working as intended. A dry run will see engineers try to load the SLS with the requirement of 736,000 gallons of hydrogen and liquid oxygen during a routine flight. NASA expects to successfully complete this test by September 17. “This demonstration will allow engineers to observe the new seal in cryogenic or very cold conditions, as expected on launch day and prior to initiating subsequent launch efforts,” the agency said.
On Thursday, NASA announced that it was targeting another attempt to put Artemis 1 into space on September 23, with the spacecraft placed in reserve on September 27. Whether he will be able to determine that date will depend on next week’s refueling test and a decision by the US Space Force. Aviation regulations require NASA to test the Artemis 1 flight stop system’s battery every 20 days. This is something that can only be done inside the Vehicle Assembly Building at Kennedy Space Center. The space force had earlier given the agency a 20-day deadline extension. NASA has now requested another waiver.
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