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Rich, In my haste to point out a different viewpoint and get back to work, I neglected to mention that "THE REASON" that Kellon and the others would suggset the "Blow and Go" approach is to get from 10 ata to 6 ata quickly, where they can do a gas switch, i.e., Nitrox. The ppO2 is now low enough, and more efficient offgassing will be more effective... The higher saturation attained in a slow initial ascent will do more harm in delaying the gas switch which would occur at 6ata.. My apologies to Jack for the omission. Dan >> Sorry I could not get back to you sooner...I have to "work" sometimes....:) >> I ran into Jack Kellon yesterday, and mentioned the thread on bubble theory >> vs compartment theory, with the "Blow and Go" example. Apparently, Jack, and >> Morgan Wells, and the other guys who have been doing the deep dives and >> theory for 30 years, feel the math clearly proves the delta P between 10 ata >> and 6 ata indicates "Blow and Go" would be the safer, better way to approach >> decompression (better than a slow ascent to 100 feet) > >What math???? Compartment-based math??? Our bodies don't work on >compartment-based math! Nope, I'm sticking with what works in reality, >rather than what the math says. > > ...i.e., 25 minutes at >> 10 ata, then fully inflate BC to 6 ata, dump BC, hang out a few minutes, and >> go slowly to a 60 foot first deco stop, and slow throughout the balance of >> the ascent/stops. They don't feel the change in pressure between 10 ata and >> 6 ata is large enough to justify the much larger saturation which would >> occurr in the slow "initial ascent" from extreme depth. > >This is nothing short of nuts. > >Rich >-- >Send mail for the `techdiver' mailing list to `techdiver@terra.net'. >Send subscription/archive requests to `techdiver-request@terra.net'. > > Dan Volker SOUTH FLORIDA DIVE JOURNAL "The Internet magazine for Underwater Photography and mpeg Video" http://www.florida.net/scuba/dive 407-683-3592
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