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post #22 of Old 07-19-2013
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Re: Need answer to something I've always Wondered About

I think our lungs are accustom to a curtain surface level pressure then, for every foot below the suface level you add between 0.43 - 0.445 or 7. psi depending on salinity; At 3' below surface level in saltwater you have a additinal 1.33 psi working against you.

That would be like exhaling all the air out of your lungs, then wrapping your chest in a elastic ACE bandage then trying to breath

1955 Blanchard 51 Custom ( I got a woody )

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