eli5: when a submarine exceeds its crush depth, and it’s crew is killed, what actually happens to them? Do they die instantly or are they squished flat? What happens ?
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The submarine would be breeched by at least one part of the hull caving in/ bursting, which would allow water inside. A lot of water. The sub would be sinking rapidly at that point. I dont think it would get crushed in the way you think it would. It would get a breech, and take on water, while sinking deeper. It would take on water like worse than an opened fire hydrant or a firehose sprays water out.
Imo, the crew would probably drown rather than get crushed. Once the hull is breeched, the pressurized cabin loses pressure, and all thats left is to drown and sink.
Sadly, I think if we dont find these people alive, we will find the titanic submersible with a breech to the hull, with its occupants suspended in sea water..
Its just AWFUL.
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