Posted on Apr 15, 2017
This Navy Diver’s Story Of Disorientation 190 Feet Down Is Full Of Nope
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ND: Navy Diver
Safety
ND: Navy Diver Safety
Posted >1 y ago
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Can't believe they don't use mixed gas. That has been the standard in the salvage industry for decades now.
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SN Greg Wright
I don't know anything about it, but your comment made me do a little looking. I found the link below, which has decent info.
http://newatlas.com/us-navy-dive-suit-prototype/36667/
http://newatlas.com/us-navy-dive-suit-prototype/36667/
US Navy shows off helium-saving deep-dive suit
Deep sea diving is a complex operation that's incredibly wasteful when it comes to the helium/oxygen gas mixture that the divers breathe. That's why US Navy scientists at the Naval Surface Warfare Center Panama City have developed a new prototype deep-diving system that goes easy on the helium.
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LTC Jason Mackay
SN Greg Wright - usually 200 feet is about the depth where you are at the absolute edge of human endurance with compressed air. The nitrogen narcosis gets you. The disorientation kills many divers. Many who dove on the Andrea Doria and other wrecks have been killed by this and other hazards. Check out the book Shadow Divers if you like this sort of topic. It's about a crew of wreck divers that dove the Andrea Doria and later went on to find an undiscovered U Boat off the coast of Long Island. They lost two guys to the nitrogen narcosis, father and son.
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