Pete,
I really don't care who is the better writer or speller, but your argument
that you can obtain better offgasing is interesting, and easily validated. 
All you have to do is go out and do 6 hours underwater at 285' then deco on
your machine of choice.  Please report your findings asap.

Jess

----------
> From: pH <heseltine@ea*.ne*>
> To: kirvine@sa*.ne*
> Cc: cavers@ca*.co*; techdiver@aquanaut.com; rebreather@nw*.co*;
Kevin Juergensen <heyydude@pi*.co*>
> Subject: Re: Death was a Bigot
> Date: Monday, August 03, 1998 12:35 AM
> 
> 
> At 11:09 AM 8/2/98 -0700, pH wrote to G4
> 
> >I am quite willing to debate with you the relative merits of variable
FO2
> rebreathers >and how they might or might not be used in caves.
> 
> At 06:57 PM 8/2/98 -0400, Katherine V. Irvine's evil twin wrote:
> >Pete - bullshit - you can not hold the ppo2 up on the exposures we do,
> >and in fact, "DOCTOR" Heseltine....
> >the alternating of the vaso contriction/dilation of the switching is far
> more improtant >to the deco than trying to hold the ppo2 up. The damage
> done to the lungs and the
> >shutdown and LOSS of deco advantage on high ppo2's as teh body fights it
> >has been well demonstrated for what we do ( and for much less
> >provocative exposures than what we do). 
> >I can also tell you that keeping the oxygen window WIDER at every ppo2
is far
> >more important than trying to do so by just holding the ppo2 up, YOU
> >really shoulde know this being a doctor, Pete, and quite frankly, I am
> >amazed that you do not. 

then more pH rambling

> The idea that you can offgas nitrogen by being able to take on more O2 is
> neither new nor unique to cavers. What is truly incredible is that you
seem
> to think you are immune from the universal gas law. To tell me that with
a
> couple of gas switches from 300' to 30' you can obtain the same
offgassing
> advantage as breathing a fixed pO2 mixed on the fly, because you are in
> "good shape" is like claiming you wouldn't fart if I put you in a vacuum.
> You'd blow your ass wide open, just as you are doin' with your mouth
right
> now!
> 
> Ya gotta play 'em or lay 'em. We can outwrite AND OUTSPELL you on every
> post. 
--
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