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Hi Paul, I played with deco planner a little more and may have a better idea about your question - - By NO MEANS am I an authority on this subject. This is what I have surmised: On the "stroke deco" you start off gassing helium in all your tissue compartments when you move to 110 feet and change to your EAN36. (however, you are taking on a lot of Nitrogen) In this particular example, on the "dir deco" you don't start off gassing helium in all your tissue compartments until you move to 70 feet and switch to your EAN50. MY supposition is: You get out of the water sooner (3 to 5 minutes) on the "stroke mix" because you have a tad less helium to off gas. Helium is "friendlier" to your body than Nitrogen is as it is less dense and on gasses and off gasses rapidly. And if you compare the two dives on decoplanner you get out of the water with about the same Helium gradient, however, on the "stroke mix" you have a greater Nitrogen gradient. So again, the preferred way to go would be the "dir deco gases." You get out of the water having on gassed less Nitrogen than the EAN 36 & EAN 80. Allyson Clagett In a message dated 08/28/2000 11:39:32 PM Eastern Daylight Time, Bakalite@ba*.co* writes: << Pardon my ignorance, but if the 50 and 100 % plan is so much better, why do you have to stay in the water longer? Intuitively, that seems inconsistent (I'm just asking, not trolling for flames). >> -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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