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I said: > > But I will say this: If a diver chooses to bypass > > the years of deep air diving, he/she damn-well better > > recognise the need for self-discipline. Win replied: > What is the basis for this statement? Nitrox and TriMix are clearly safer > gases at their respective depths. Why is moving from OW towards mixed gasses > rather than from OW to deep-air lacking in self-discipline [implied]. Well, I'm not completely convinced that trimix is always safer on all deep dives, but that's a separate issue. (also, just try to convince John Comly that nitrox is "safer" than air at any depth) The point of my message is that it often takes YEARS of deep diving experience to develop enough self-discipline to consistently stay alive on deep dives (deep meaning in excess of about 100 feet). The advocates of deep air as a prerequisit to trimix acquired this discipline over years of deep air diving experience. My concern with pushing OW divers through nitrox and straight into trimix (which necessarily means depths in excess of 130 feet, where margins for error ar slim REGARDLESS of what gas is breathed), is that they don't usually have the time to acquire adequate levels of discipline to consistently stay alive on deep dives. Maybe I'm wrong about this, but with few exceptions I think you could trace most deep diving accidents/fatalities ultimately to insufficient discipline. I just can't imagine a person going from OW to trimix without several hunderd dives over a year or more in the process, and expecting that person to be able to deal with serious problems under low-margin-for-error circumstances. The only two ways I can see a person truly becoming qualified are either 1) natural selection; or 2) a drawn-out apprenticeship with someone who has survived the natural selection process (or a combination of both). I apologize if the message comes off as elitist, but that's just the way I see it.. Aloha, Rich Richard Pyle deepreef@bi*.bi*.ha*.or* ******************************************************************* "WHATEVER happens to you when you willingly go underwater is COMPLETELY and ENTIRELY your own responsibility! If you cannot accept this responsibility, stay out of the water!" *******************************************************************
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