In article ,
says...

David Spain wrote on Mon, 29 Apr 2019 09:01:20
-0400:


FWIW the conventional wisdom seems to be focusing on the COPV tanks used
to fuel the SuperDracos.


Possible, but this seems odd to me. Neither of the fuels is even
mildly cryogenic, so what failure mode would there be? This isn't
like the Falcon 9 explosion where cryogenic chilling was involved. If
it was something like that I would expect it would have to be a 'one
off' manufacturing defect of some kind, which would lead to a pretty
rapid return to flight.

It has been reported that this test was being performed at twice the
maximum vibration / acoustic level expected during an abort. So that
would likely be your trigger. Now exactly what failed first is a very
good question.

Jeff
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