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On Wed, 5 Oct 1994, Carl G Heinzl wrote: [snip] > >I have known about 6 experienced divers who were all good breathers come > >to the same conclusion. [snip] > Ah, "good breathers" here may be the key. If you're really good on air, > your not exhaling as much and therefore not ridding yourself of CO2 as > quickly. BZZZZZTTT!!! Wrong answer, Carl. "good breathers" (my definition ;-] ) exhale *MORE* and *LONGER* than all the other "suck and blow" divers out there. I learned from Tom Mount what he calls "Tai-Chi" breathing style, ie: deep, diaphramatic, and slllloooooowwwww breathing. This pushes the PpCO2 down and mitigates many of the fluid flow problems by lowering the velocity of the inspired gas. The divers who had CO2 (?) problems with USD regulators came to me with the problems. I would say, "Your problem is the 2nd stage, use a (Mares/Posiden/Scuby-Pro) and the problem will go away." Most of them did that right away (except Jody, stuborn bastard) and the problem went away. They would switch back to the USD for an *informal* experiment and they would report that the problems (headaches, narcosis, etc) would come back. The evidence is anecdotal, yet consistent. > Perhaps you should try the test with your SEA but purposely keep you > SAC high. No thanks. Perhaps you should try it and report to the list your findings! Here are a whole bunch of smileys for our sensitive readers: :-> :*) ;^] 8-) 0-) And one more for Carl: ;-> dan@sh*.ne* mig@shadow.net Murphy's laws of combat #38: "Tracers work both ways."
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