this post was submitted on 19 Jun 2025
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No, not necessarily a problem in either of those things. As I said, it ruptured way below the pressure the tank was rated for - nothing wrong with the design there. And I don't know if it's been explicitly confirmed or not, but those tanks get tested above that pressure before they get installed. The ship had already done a single-engine test firing so it must have actually been pressured up to that already when it did that previously.
It sounds to me like something happened that damaged the tank after it was already in place. That would be my guess. Something banged into it and nobody noticed.
SpaceX playing soccer with COPVs and then bolting them on the vehicle doesn’t feel like a more comforting answer but I agree it’s one I didn’t list. Not sure I understand why people would be rattling around inside the vehicle after a single engine test and then not re-running the single engine for a regression test.
/shrug, still you’re right. Unreported damage post-installation would totally do this, it’s just not a root cause I’ve seen. Would speak to a breakdown in safety culture for my folks, not sure what the safety culture looks like on the Starship line.