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Hydrogen Leaks

All articles tagged with #hydrogen leaks

space1 month ago•9 min saved

Artemis II hydrogen headaches highlight legacy hardware challenges

NASA is still troubleshooting persistent liquid hydrogen leaks on the Artemis II rocket during a wet dress rehearsal, delaying tests and echoing past issues from Artemis I and the Space Shuttle era. The problem stems from hydrogen’s properties and the SLS’s legacy design, a product of congressional decisions to reuse Shuttle hardware. Engineers are replacing seals and refining fueling procedures, but officials say Artemis II is an experimental vehicle, and a permanent fix would require a major redesign rather than a quick workaround.

via CNN|

#artemis-ii #hydrogen-leaks #nasa

science1 month ago•3 min saved

Hydrogen Leak Fix Clears Artemis II Moon Mission Countdown

NASA restarted the countdown for Artemis II after fixing liquid hydrogen leaks by replacing seals and a clogged filter at Kennedy Space Center. The two-day wet dress rehearsal will culminate in a fuel-fill test, with the four Artemis II astronauts monitoring remotely, and, if all tests are leak-free, could lead to a March launch window for the crewed Moon mission.

via ScienceAlert|

#artemis-ii #hydrogen-leaks #nasa

space2 months ago•3 min saved

Hydrogen Leaks Return as Artemis 2 Eyes March Liftoff

NASA continues to wrestle hydrogen leaks on the Space Launch System as Artemis 2 pursues a March liftoff; after Artemis 1 delays, technicians replaced two seals in the tail service mast umbilicals and rechecked interfaces, with Artemis 2’s wet dress rehearsal going more smoothly. Hydrogen’s tiny molecules and ultra-cold temperatures make seals brittle and leaks hard to eradicate, but lessons from Artemis 1 have improved procedures and testing—only further checks will confirm a reliable Artemis 2 launch.

via Gizmodo|

#artemis-2 #hydrogen-leaks #mobile-launcher