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It might take 10 seconds to loosen your crotch strap if you were on AIR.  
Once again, know your equipment and practice the procedures.

On Sat, 25 Nov 1995, Jason Rogers wrote:

> >
> > At 3:44 PM 11/24/95, Jason Rogers wrote:
> >
> > >Now there have been posters who have said that they
> > >can reach the isolation valve simply by loosening the crotch strap,
> > >lifting the set from behind with one hand and then reaching over their
> > >shoulder.  (wow!)  Let's forget about them (Darwin's problem) and
> > >talk those who can reach the valve with one hand.
> >
> > Jason -
> >
> > I'm not one of the posters you mention but I can loosen my crotch strap
> > and easily reach all three valves.  This isn't a skill that requires
> > mutants to perform.
> >
> > Scott.
> >
> >
> > --
> 
> It may be a skill that doesn't require mutants, but it does require time.
> 
> If you need to spend time loosening your crotch strap (10 seconds would
> be quick I expect) then you will lose around 25 cuft of gas during the
> wasted time.
> 
> Can you afford yet another 25 cuft of wasted gas (on top of the 90 odd
> we worked out you would lose anyway)?  Do you actually carry 115 cuft
> of "spare" gas with you on dives?
> 
> Cheers Jason =:)
> >
> 
> --
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