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Regarding tolerance for nitrogen narcosis, superficially you are correct, some divers "tolerate" narcosis better than others. But this is exactly like saying some people drive drunk better than others. The bottom line is you are still driving drunk (or in the case of diving, diving narked). I've only been diving since 1971, but even with my limited experience I have seen how quickly even a simple rec dive can turn into a life or death situation. To put it as politely as possible, it seems somewhat foolish to be "tolerating" narcosis when you could be diving with a clear head. When you or your buddy is in trouble there may be only seconds to make a decision that can make that life or death difference. Any degree of impairment in these circumstances is undesirable. And the risk of switching to the wrong gas is easily dealt with if you follow proper procedures for tank markings, etc. Also, consider that one is a lot more likely to breathe the wrong gas if he is already narked. Regards Skip At 12:06 PM 12/21/99 -0500, you wrote: > >Pete, WADR, reach up and grab the cotton out of you ears, and put it in >your mouth. You are missing some serious information. Let the others >tell you , since you are clearly not listening to me. > > >HESSIANS@ao*.co* wrote: >> >> George >> I do not doubt that mixed gases are generally safer than air at depth. Just >> what depth is, in my humble opinion (and 23 years of diving) diver dependant. >> We dived deep air for a long time before mix was understood or available >> here. I happen to have very good tolerance to nitrogen narcosis and have >> done all dozen MONITOR dives on it--with excellent photographic and/or >> archaeological results. Others are seriously incapacitated at 100 fsw. >> >> I am not trying to say that my methods are better or even suitable for others >> to emulate--only that it has worked for me. Nevertheless, I generally dive >> mix for any dives deeper than 200 fsw. But mix has its drawbacks, too: how >> many have been killed by switching to the wrong deco gas? >> >> I certainly do not have the same diving credentials as do you--but I >> nevertheless have compiled an impressive record and have learned to be >> extremely cautious on deep exposures. I may hang longer than most others, >> but I feel that 5-10 minutes cold and uncomfortable buys days of peace of >> mind after one is out of the water. I do not look at deco as a race for the >> most efficient time, but rather as a necessary penalty for exposing my body >> to extreme ranges of pressure and partial pressures. >> >> I will be speaking along with you in Stockholm and am very much looking to >> meeting you in person. I am sure that I can learn a lot about diving from >> you and your colleagues. And from me, you can probably learn a lot about the >> political developments that threaten to wreck diving. >> Peter Hess >> PS That master's workout is killer. 100 100's on the 1:30 without additional >> rest? We just did 3,000 yards last night with mostly shorter intervals. >> Can't imagine more than tripling it. > > >-- >Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. >Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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