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George, You seem to be making the following points re: deep ocean trimix dives (I want to be sure I've read you correctly): 1. Don't plan a dive that calls for more shallow deco than can be accommodated with a 40cf supply of deco gas. 2. Carry only one extra gas, that being the shallow deco gas. 3. The shallow deco gas should be air. Yes? Thanks, =Art= artg@ec*.ne* ---------- > From: G. Irvine <gmirvine@sa*.ne*> > To: Thomas A. Easop <tae@os*.pe*.ne*> > Cc: techdiver@aquanaut.com > Subject: Re: travel / deco gas choices > Date: Monday, June 16, 1997 7:47 AM > > This is all nonsense - "travelling" is a joke for two reasons: one, it > is an unnecessary conplication and opens you up to added risk, like > dropping too far on the gas while dealing with another problem, not > knowing if yoiu primary euipment is funcitoning, like the wings, > foprgetting top turn off and park the deco reg, making it a liability, > etc, etc, and the other is that you do not get the immediate befit of > the gas being breathed for up to two minutes, so are effectively diving > beyond the clarity level of the gas. In a cave, it is diffeernet since > yo stop and make the switch , leaving the bottle. > > Another thing is that incurring a huge deco liabiltiy in the ocean is > nuts. Use the 40's for safety of streamlining and simplicity, and for > the lesser buoyancy effect on your total package. > > Personllya, I think only a total stroke would use 80/20, but we will > not go into that since it is part of the silliness you all get taught, > along with "travel mixes" and deco fear. The fact is, tough guys, you > can deco on most trimixes without any deco gas better than air on air, > but then why am I not suprosed that none of you know this? > > The trick to really having fun with this and being good at it is to > simplify you rig and get rid of the crap, including the crap you learned > from the tech agencies. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send list subscription requests to `techdiver-request@aquanaut.com'.
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