Also, we are breaking from the high ppo2 gas at deco - how the fuck are you
going to do that when on bottom gas already?

Jim, there is one simple answer to all of this - there are those of us who
do it and know, and those who have no clue.

----- Original Message -----
From: "Jim Cobb" <cobber@ci*.co*>
To: "David B. Widen" <dwiden@TW*.co*>;
<stuart.morrison@sw*.co*.uk*>; <dmdalton@qu*.ne*>
Cc: <dwiden@ho*.co*>; <donburke56@ne*.ne*>; <Bakalite@ba*.co*>;
<techdiver@aquanaut.com>
Sent: Tuesday, October 10, 2000 9:54 PM
Subject: Re: rec trimix


> Dave, as you know I don't like high PP02's in the bottom mix. I like 1.2
max
> or less. There is a difference between the working part of the dive when
> your lungs are working out and when at rest in deco. My personal
experience
> is that I can feel it during and after a dive if my bottom mix is much
over
> 1.3. I feel much better during and after a dive if I do my high PP02
portion
> of the dive during the deco rather than at the bottom.
>
>    Jim
>  -------------------------------------------------------------------
>  Learn About Trimix at http://www.cisatlantic.com/trimix/
>
> > From: "David B. Widen" <dwiden@TW*.co*>
> > Date: Tue, 10 Oct 2000 21:05:35 -0400
> > To: Jim Cobb <cobber@ci*.co*>,
stuart.morrison@sw*.co*.uk*,
> > dmdalton@qu*.ne*
> > Cc: dwiden@ho*.co*, donburke56@ne*.ne*, Bakalite@ba*.co*,
> > techdiver@aquanaut.com
> > Subject: RE: rec trimix
> >
> > Jim
> >
> > I do not understand the position you have on the Nitrox and not being
safety
> > for recreational dives but it is fine as a deco gas????
> >
> > It is okay to jack up the PO2 with Trimix but not with N2 only???
> >
> > Please explain.
> >
> > David
> >
> > -----Original Message-----
> > From: Jim Cobb [mailto:cobber@ci*.co*]
> > Sent: Tuesday, October 10, 2000 2:04 PM
> > To: stuart.morrison@sw*.co*.uk*; dmdalton@qu*.ne*
> > Cc: dwiden@ho*.co*; donburke56@ne*.ne*; Bakalite@ba*.co*;
> > techdiver@aquanaut.com
> > Subject: Re: rec trimix
> >
> >
> > I tend to put divers into 2 groups. One I call the "80 & bolt" crowd,
this
> > is where you take an aluminum 80, fill it with air, slap it onto your
back,
> > jump in the water and when you run out of air bolt to the surface.
Hundreds
> > of dive operations around the world use this technique as it is idiot
proof
> > and almost impossible to get bent.
> >
> > Beyond that is technical diving. This is where a diver gets to the point
> > that you can't simply head to the surface when if you run out of air or
have
> > other problems. When you do this you need to have special equipment,
> > procedures and experience. It is very expensive.
> >
> > Nitrox diving is a sort of quasi-tech diving where folks are trying to
do
> > what tech divers do without paying the piper. But what people don't
realize
> > that the decision to use high PP02's is exacting a price. The price is
that
> > you are increasing the likelihood of your getting killed or damaging
your
> > lungs for the sake a few minutes of bottom time.
> >
> > And what is the point of that? About the only thing I can say good about
> > nitrox training is that it teaches you the fundamentals of mixing gas.
Other
> > than that you might as well do trimix at the same time and at least do
> > something to make your dive safer, not less safe.
> >
> > Jim
> > -------------------------------------------------------------------
> > Learn About Trimix at http://www.cisatlantic.com/trimix/
> >
> >> From: stuart.morrison@sw*.co*.uk*
> >> Date: Tue, 10 Oct 2000 15:10:39 +0000
> >> To: cobber@ci*.co*, dmdalton@qu*.ne*
> >> Cc: dwiden@ho*.co*, donburke56@ne*.ne*, Bakalite@ba*.co*,
> >> techdiver@aquanaut.com
> >> Subject: RE: rec trimix
> >>
> >> Jim,
> >>
> >>> if you need to spend more time down
> >>> there then you need
> >>> to do it right with doubles and a deco plan
> >>
> >> at last someone talking sense, trimix on single bottles, recreational
> >> trimix certs, no-deco gas diving tables... what next - fat tourists in
> >> lycra skins trying to work out gas dives on the wheel, wearing Zeagle
> >> BCD's and black snorkles and trying to find somewhere to stuff their
> >> Spare Air? We are talking about a community that cannot change a
finstrap
> >> without taking a training course first. It's a noble aim to "save" rec
> >> divers from narcosis, but this is not the answer, it's a quick fix, it
is
> >> not a solution. If you dive gas then dive it properly, this is beyond
the
> >> realm of recreational diving.
> >>
> >>
> >>
> >> Visit our web site at www.scott-wilson.com
> >>
> >> Privilege and Confidentiality Notice.
> >> This e-mail and any attachments to it are intended only for the party
> >> to whom they are addressed.  They may contain privileged and/or
> >> confidential information.  If you have received this transmission in
> >> error, please notify the sender immediately and delete any digital
> >> copies and destroy any paper copies.
> >> Thank you.
> >>
> >>
> >> Scott Wilson Scotland Ltd
> >> Registered in Scotland No. 48951,
> >> Registered Office: 6 Park Circus, Glasgow, G3 6AX. UK.
> >>
> >>
> >>
________________________________________________________________________
> >> This message has been checked for all known viruses, by Star Internet,
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> >
> >
>
>
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