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George, > Don, go to the UHMS and read studies until your eyes fall out. The > German's have a great one. I went their website, and they don't have any papers online. I did a cursory websearch and didn't find much on the web, so I guess I'll have to continue my search at the UT Austin library. UHMS does fund some research but like many other professional societies, they make money from their publications so don't make them available online. > I think you might want to ask why the guys who hold all the records in > cave diving , who have the best track record in diving, and who have > been doing it longest think the way they do. <snip> I take your comments very seriously. > You might also want to ask why the obvious needs to be spelled out. That is essentially what I'm asking. It would only take a chamber, 150 college age volunteers, and a well thought out experiment to establish the curve of impairment for both nitrogen (and oxygen) once and for all. I'll be surprised if this hasn't already been done, but sure haven't seen anyone cite the paper yet. BTW, its illegal to drive or carry a gun while impaired by alcohol or drugs, and the level of impairment has been set at .08 by national consensus. It would be interesting to see what PPN leads to the same mental impairment as a ..08 blood alcohol level. The experiment needed to establish this is relatively simple and could be done in a couple of days under the right conditions. > how many people have been killed air diving? How many have been killed > where there is no good explanation, yet they were between 100 and 170 on > air? How many more will go that way? These will continue until the issue has been so well studied that no credible organization will argue about the facts. Divers will still continue to kill themselves, but at least it will be for a different reason. Later, Don W. > Don W. wrote: > > > > Okay... so maybe I'm just getting bored with the latest threads on > > converting the US to metric units... or not. > > > > Tom Mount (IANTD) says he's personally comfortable to 170 feet on > > air. George Irvine says you're stupid to go deeper than 130 feet on > > air and probably shouldn't go _that_ deep. Numerous people have died > > trying to push the SCUBA record of deep air to 500 feet or so. > > > > Question for all of you... > > > > What unexplainable stupid behavior have you seen from your > > dive partners diving between 80 and 170 feet (on air) that would > > indicate that they were seriously f____ed and didn't know it? > > > > Where are some good chamber studies with less subjective results > > than a binary win/loss chess game indicating the progressive loss > > of mental function at high nitrogen partial pressures? > > > > Where are some good chamber studies which eliminate the nitrogen > > and study the progressive loss of mental function at high oxygen > > partial pressures? > > > > The questions are clear, and I challenge all interested academics > > to produce the citations, or think seriously of the simple indicated > > experiments... > > > > Why does the issue of impairment due to high nitrogen or oxygen > > partial pressures continue to be an item of debate within the > > technical diving community? > > > > Hope this generates some good discussion, and either gets someone > > to cite some papers, or do some chamber experiments and write them. > > > > regards, > > > > Don W. > > -- > > 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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