[PSUBS-MAILIST] Deep sea question

[Bob Travis]

Scott,

My name is Bob and I'm working on a K-350. I have looked at your photos of Trustworthy and was wondering if I could contact you off line with some specific questions?

Thanks,
Bob

Sent from my iPhone

> On Apr 14, 2014, at 2:57 PM, <swaters at waters-ks.com> wrote:
> 
> I have a question I have never understood about really deep sea submarines. How do they go up and down?
> Submarines that use compressed air at 3,000 psi like ours could only go so deep before the water pressure is to great for the HP air. What do submarines like Alvin do? This is probably a really stupid question, but I have never understood it.
> Thanks,
> Scott Waters
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