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Posted by Wayne on August 28, 2002 at 05:46:22:

In Reply to: Re: posted by Kendall Raine on August 27, 2002 at 20:33:33:

The demo at that show clearly indicated that different wetsuit material samples exhibited vastly differing compression ratios. I have heard the "1/2 Boyle" rule of thumb for a while and do not know exactly where it came from, but it is not going to be all that accurate across the board -- based on the show demo.

I do not know how much air I keep in my BC when I dive. I generally try to stay neutral, unless I am doing something where I want to stick to the bottom. So the gas goes in as I go down and vice versa. This means I cannot easily tell how much more my old wetsuit compressed than the newer one. But the old one got really cold at 70 fsw. When it was new, I do not remember getting cold like that. It snuck up on me over time and when I started diving the new one, I really noticed that it stayed warm at depth. I suspect it was the old suit being worn out and gaining compressibility.


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