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Tom,

That is one of the primary reasons we dive double 80s in the ocean
because they are as you say  "like corks" when they are empty.  In the
first place neither I nor George have ever breathed them down to the
point where emptiness is even a remote issue. In the event we had to
breath them down to that point it would be because the dive boat had
left us adrift and those two floating cylinders would give some
additional comfort while waiting for the Coast Guard helicopter. You can
easily swim aluminum 80s to the surface without a buoyancy compensator
if you are using Scubapro jetfins. This eliminates the need for the
additional bc or other buoyancy device required when you are diving with
cement blocks on your back. Nobody likes to walk back to shore along the
bottom.  Furthermore, in the last several years I have never breathed my
gas below 2000 psi while diving dual 80s in the ocean. Personally, I
will not dive with anyone (anymore) who is not at a similar
cardiovascular fitness level or concomitant gas consumption level so
that the issue of breathing rate disparities is not the starting
problem.   

What we have here is the usual conundrum of one problem begetting a
recursive series of complications. This is so typical of the situation
in socalled technical diving. If you dive with very negatively buoyant
tanks you now need to layer on all sorts of additional safety measures. 
This is akin to driving with a gas can on the front seat of your car
because the capacity of your main fuel supply in inadequate.  Now to be
safe you must carry a fire extinguisher and wear an asbestos suit.  

You know perfectly well that the greatest risk of diving offshore is
becoming adrift.  You have personally experienced this very unpleasant
situation and when this occurs the last thing you want to be burdened
with is heavy tanks and large stage bottles. The reason the WKPP uses
Luxfer 80s is precisely because of their buoyancy characteistics.  They
ride well on your right side when full and when empty they float and can
be clipped onto a bottle lanyard and towed on your right hip where they
conveniently lay.

We DO NOT perform long extreme exposure dives in the ocean. PERIOD. 
This is completely idiotic because of obvious risk management issues
revolving around surface support. Just read this whole sordid "Bent
Diver and Whitefish Point" thread. Sound familiar?   Short exposures
limit all sorts of risks not to mention the fact that (perish the
thought) if one was prematurely forced to the surface the severity of
dcs symptoms will be significantly less. I will not, and I know that
George will not, perform a decompression dive offshore that requires
anything more than two 40cf bottles of deco gas. This is not say we have
not done this in the past.  We will not do such a thing now because
following an hypothetical accident we would have to reflect back on our
own stupidity.


Regards,

Bill Mee

George Irvine wrote:
> 
> Tom, stop addressing this stupidity to me - you don't do any real
> diving, your opinion is worthless . I dive a sigle 80 because it is like
> you diving twin 121's, and I dive with my own buddies. As usual, have
> bloobered again, and have continued to step in it, wallow around in it,
> slip and fall on it, get it all over you, and do it again. Take the
> cotton out of our ears and put it in your mouth.
> 
>  I do not dive with an "octopus" you MORON. When you do not know what
> you are talking about, shut the hell up. You have no clue on gases,
> deco, or anything to do with what I do, and are hopelessly unqulified to
> coment on it. You have no business doing so.
> 
>  You keep putting out crap about me, and I will keep telling the truth
> about you - the truth is that you were "training" this person to open an
> IANTD facility in Texas, and my bet is that they are now IANTD
> instructors if not I/T's, by now, depending on how well the quick
> release on their wallet was functioning.
> 
> \Tom Mount wrote:
> >
> > Perry
> >
> > life. In caves problems are usually inside the overhead and a QD is not
> 
> > By the way the fat slob as George called her, was overwieght but not out
> > Yes I had to cut her out of the harness had it been a life and death
> > situtation the extra couple of minutes it took to cut her out in a
> 
> in
> > continious webbing myself included are always slower than the ones with
> > a single QD. That is fact.
> >
> > going to hell because they do not worship in the exact same way you do.
> >
> 
> and YAP< YAP M YAP < YAP
> 
> 
> >
--
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