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From: trey@ne*.co* (Trey)
To: "Tech Diver" <techdiver@aquanaut.com>
Subject: re 80/20 nonsense
Date: Mon, 28 Aug 2000 07:09:27 -0400
  I have to laugh when some guy gets on here and
says he "does not know what the oxygen window is"
but knows I am an "idiot" after I have spent ten
years using the best sources of information in
commercial and military diving and decompression
applications and covered thousands of man dive hours
of mixed gas decompression real life examples to
determine what gas combinations and deco work the
best.

   The fact is that there is no dive for which the
combination of 36 and 80 as deco gasses is correct ,
optimal, or makes any sense. You may be able to get
a deco program to tell you this, but that has
nothing to do with the actual result, or any of the
other considerations of diving that make up these
choices . Actually, the programs say 36 give you  a
tiny boost coming from the deeper stops, but in
reality this is then lost completely when you need
it in the intermediate stops ( the program does not
pick this up ) and then the 80 alters the stops
above it incorrectly and you just waste time at the
next two steps. The fact is that the guys who do
these gases do not do any real dives or real bottom
times, and that the dives they do this on can be
done with no deco gas at all, and what is happening
here is that a "successful" result for a bullshit
dive that needs no deco or very little are then
extrapolated out to dives not done by any of these
guys . When they try to pan out a "big" dive using
bullshit gas, they find an intolerable amount of
deco rather than the result we get. Also keep in
mind that the programs have huge fudge factors in
them designed to "protect" the supplier. Most people
without preconditions can get by with just hanging
out long enough in the water and will not get
seriously hurt, even though they are not
decompressing successfully by our standards - just
look at Navy air tables to see a great example of
this.

  The fact is that there is no model that by itself
will explain deco. You need to use the full logic
and understanding then apply that while identifying
the real risks of the dive and deco. Let me suggest
that trying to learn the stuff is a lot better than
showing an IANTD card and claiming all knowingness.

   As usual, those with no experience love to take
their little gas class and then tell me how the cow
ate the cabbage. Sorry, until you have something
more that a hypocritical punk smartmouth, you need
to take a seat.
There is no dive for which 36 and 80 are the correct
choices of deco gas.

   I have no time to go over and over the obvious,
but other than Hunsucker, you guys are not covering
the deco side of this correctly. Scott can take it
from here.

   As for Cap JT, I am getting real sick of his
bullshit and now am going to put an end to it. The
fact is that JT fucked up three times while I was up
in Virginia beach with his stroke scooter alone -
three time he ran over the line and twice at 300
feet causing a clusterfuck there,ruining a dive by
his bullshit hard headed non-DIR planning and his
non thinking " you guys don't understand " methods,
and he ran this clusterfuck  after riding 7 hours
off shore only to FUCK UP due to hard headed
stubbornness.

JJ , Pina and I invoked Rule Number One and stayed
home after we saw this coming the first day. JT -
shut the fuck up about me. You get to my level you
can talk.



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