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Steve Schinke <tekdive@ho*.co*> writes: > I believe that deep air is an individual thing. ... Hello! Greg Kuiper was asking how deep is too deep ON TRIMIX. The question wasn't about air at all. We weren't due for the next deep air flamewar for at least another month yet. The first data point on the mix question would be the depth at which Sheck Exley died (I was told his body was recovered from 906' as it was tangled in his descent line). Only a handful of divers are in his league, and most of us have to admit we'd be toast a lot shallower than that. Second data point would be the logistics of the Edmund Fitzgerald dive (535'). There has to be a pretty good reason to want to be down there to even think about that much gear and that much hang time in that lake. The real issue is to look from the ends to the means, not the other way around. You have an objective (a cave, a wreck, a new species of fishie) in X feet of water, and the question is how best to do that dive. Long ago, thinking about how dicey it would be on air was an issue because that was the only tool available, but nowadays we have trimix, and deep air should no longer be an issue because there's an established good answer. The question now is how much further down trimix is a valid answer and what to do next. What's the best way of finding out what's on the bottom of Zacaton, for example? -- Anthony DeBoer <adb@on*.ca*> -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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