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In a message dated 98-07-19 07:50:34 EDT, kirvine@sa*.ne* writes: << Actually, diving air and 50 50 is less narcotic than diving 32 nitrox. however, this is a "mute" point since only a stroke does either one. The correct thing to do is dive trimix for that dive with NO deco gas at all. <snip> We use air for NOTHING. We use the lowest AED we can get wtih the gas banks. We dive PPO2's in the 1 to 1.2 range. We do the deco according to reality, not fear and loathing. But then, we have much different results than the rest of you , now don't we? Rubrifolia@ao*.co* wrote: > > In a message dated 98-07-17 06:43:55 EDT, you write: > > << the even more insane practice of > diving air on the back and mix in a stage, we can expect many people to >> > > so whats so bad about diving air and using 50 50 for the deco? for ex on a > 130 ft wreck .....seems to me to be better than all these people coming out > and doing 130 on 32EAN...... don't get cranky now....the ex is a 130 ft wreck dive, 'cause that sort of an everyday....now if i did the math right....the po2 for 130 on air is l.04...the 50 50 nicely accelerates the deco time....trust me when I say that no one is afraid of doing deco, just that we don't get to sit on tree logs, we are in the open ocean and fairly aware of the contingencies that apply.......plus the fact that boats have schedules and there are just so many people that can comfortably fit on one anchor lline and and and....so say 50 minutes w/50 50 gets you 53 minutes of line time.....40 gets you 37 and 30 gets you 23 minutes....CNS% is 18, 14 and 10 respectively......whats so bad about that? plus air can be more flexible re changed boat destinations which happens alot up here ....Captains and conditions change their minds...this is not strokery just dealing with the everyday facts of dive life up here.....I am not arguing about trimix for deeper stuff, I used mix this year for the first time on the Doria and totally agree for that application, but for everyday use in the 100 to 130 range, I don't see your point yet....... yes one could say your results are different from ours, but then you can exercise much more total control over divers and destinations... as I understand it, you are running a project --a project, not a weekend day out on the water--- that happens to utilize the 'sport' of diving as one of its tools.....and yes, very well and with great results..... -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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