Artemis II hydrogen headaches highlight legacy hardware challenges
TL;DR Summary
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.
- The fuel set to propel NASA’s moon crew is notorious for leaking. So why use it? CNN
- Artemis II Wet Dress Rehearsal Update: Countdown Progressing NASA (.gov)
- NASA hopes fuel leaks are fixed as it launches another countdown test for the Artemis II moonshot Associated Press News
- The engineer trying to stop NASA's Artemis II launch going around the Moon Australian Broadcasting Corporation
- NASA sets a date for redo of key Artemis II test Scientific American
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