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From: screwloose@el*.co* (John Dunk)
To: donn@le*.ne*.au*
Cc: techdiver@aquanaut.com
Subject: Re: Accelerated O2 ( Was Why we do not use 80/20
Date: Sun, 23 Nov 1997 15:37:47 GMT
On Sun, 23 Nov 1997 16:50:04 +1000, you wrote:


> 4) In this same interest you will find that when you graduate to real
>diving, as in caves,  you will not want to accellerate your ppo2 at
>lower depths while still being faced with a long decompression at
>shallower depths, and making bizarre mixes  to do this is a dangerous
>mistake (just like the fantasy of holding an accellerated ppo2 on a
>rebreather throughout a deco). I am anticipating the thinking that the
>80/20  crowd would then go to an additional oxygen in cave without  =20
>accounting for total exposure, and subject themselves to the risk of tox
>in the final deco steps. Tox you do not get out of - bends you do.


Would someone explain' the "fantasy" of holding an accelerated ppo2
on a rebreather  throughout a deco ' and why it's a fantasy?Are we
talking tox here or what?And how does  80/20 supposedly help divers
with poor buoyancy control? Hope I didn't come inb too late on this
one.  Also, someone mind listing the claimed benefits of 80/2?.
Thanks

   John Dunk                                        o
   Tallahassee,Fl                                    o
   screwloose@el*.co*                      ____o_____
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