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Try doing it right in the first place - you need no explanation for
contingency for that. Your little plans here won't work in an emergengy,
but then sttokes like Gur can't think that far ahead. The idiot should
take a stage if he wants to save the gas, not teach mindless stupidity
to more people - he is like a breeder stroke - he makes more strokes
when he does things like this. Bullshit it the only word that applies
here.



Atle Aamodt wrote:
> 
> > I did a trimix course with Kevin Gurr earlier on this year. Diving with
> the
> > isolator shut to "save gas" certainly was not part of the course.
> However,
> > on the way back from a dive he did mention that on a short dive, diving
> > with, say, twin 15L cylinders he would have the isolator shut. He would
> then
> > only have to dump and refill 15L instead of 30L. Is this really so bad?
> If
> > he had a problem It takes a second to reach behind and open the isolator.
> >
> 
> What kind of problem could occur ?
> 
> 1.      Emty bottle ? So what. Switch to the secondary regulator. And/Or open
> the isolator.
> 2.      Second stage failure ? So what. Switch to the secondary regulator,
close
> the valve to the bad    regulator and open the isolator.
> 3.      First stage failure ? So what. Switch to the secodary regulator, close
> the valve to the bad stage      and open the isolator
> 4.      Broken HP gauge or hose ? So what. Switch to the secodary regulator,
> close the valve with the        bad hose and the isolator prevent loosing gas.
> 5.      Broken LP inflator or hose. So what. Switch to the secodanry
regulator,
> close the valve with bad        hose/inflator and the isolator prevent loosing
> gas.
> 
> Maybe I'm way out on this one. Flame me if you like, but what can possibly
> be wrong with this.
> 
> Atle Aamodt
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