I think the commenter is trying to say they have a steel membrane that had a hol... | Hacker News

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		BoorishBears on Jan 17, 2018 \| parent \| context \| favorite \| on: America’s Fastest Spy Plane May Be Back and Hypers... I think the commenter is trying to say they have a steel membrane that had a hole punched through it by an air-blast. Said membrane came from the dumpster out in back.

ggm on Jan 17, 2018 | [–]

http://hypersonics.mechmining.uq.edu.au/t4

the part called "primary diaphragm"

chrisbennet on Jan 18, 2018 | [–]

Thanks!

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