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Tom, for all the flak, kudos to you for being willing to discuss this =
(and the rest) in public...in response to your, apparently rhetorical, =
question "What is so complex" I'd like to respond:
>2. A stage cylinder based on its use will have A gas type =
identified(Nitrox or DECO gas or Oxygen or >Breathing gases othrer than =
air) around the cylinder it is a VIP sticker on it and it has A MOD at =
the pper >portion of the cylinder it has a taped contents so the diver =
may read it at a glance=20
Great, so you have a choice of four different gas types that may be =
identified on a stage cylinder, nothing complex there then...?!?!?!?
>3. The hottest mix has a cover around the 2nd stage.
Why? If I pick up a revolver clearly labelled "bullet in chamber five" =
should I put it my head and just pull the trigger four times, or should =
I take one last look at the actual cylinder for old times sake? The reg =
cover, together with it's relatives (plugs, colours, lables, etc) is =
worse than irrelavent, it's positively dangerous, since it instills a =
false sense of security in the diver (this reg doesn't have a cover, it =
must be OK to breathe). It's madness to take one gas (MaxO2) out and =
have a different handling procedure for that gas than all the other =
gasses. Why not have the same handling procedure for all gasses?=20
The tank is the single point at which this can all be sorted out. It =
should be checked during filling, then verified by the diver before =
diving...that's at least two checks, including a personal check by the =
diver who'll be actually using the gas (that's me...it's my ultimate =
responsibility). If I get distracted and put the wrong reg (not that I =
could tell anyway) on the bottle, it doesn't matter, if I stuff the plug =
in the wrong reg (not that I'd use one), then it doesn't matter. When I =
come to swap gasses I check they're all turned off, pick the bottle I =
need (by the MOD marked on it), un-stow the reg and turn the bottle =
on...picked the wrong reg? oops, can't breathe...turned on the wrong =
bottle?...oops, can't breathe. How simple is that? It's the same for all =
the tanks, I don't need a separate procedure for high O2, or to remember =
to plug the correct reg, or to wear it on the correct side of the body, =
or any other stuff. My last resort against total fuckwittedness on my =
part is that the MOD is written in massive letters on the bottle for my =
buddy to see.
Again...How simple is that?
Regards
Paul Chapman
=20
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<DIV><FONT color=3D#000000 face=3DArial size=3D2>Tom, for all the flak, =
kudos to you=20
for being willing to discuss this (and the rest) in public</FONT><FONT=20
face=3DArial size=3D2>...in response to your, apparently rhetorical, =
question=20
"What is so complex" I'd like to respond:</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV>
<DIV><FONT face=3DArial size=3D2>>2. A stage cylinder based on its =
use will have=20
A gas type identified(Nitrox or DECO gas or Oxygen or >Breathing =
gases othrer=20
than air) around the cylinder it is a VIP sticker on it and it has =
A MOD=20
at the pper >portion of the cylinder it has a taped contents so the =
diver may=20
read it at a glance </FONT></DIV></DIV>
<DIV> </DIV>
<DIV><FONT color=3D#000000 face=3DArial size=3D2>Great, so you have a =
choice of four=20
different gas types that may be identified on a stage cylinder, nothing =
complex=20
there then...?!?!?!?</FONT></DIV>
<DIV><FONT color=3D#000000 face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 face=3DArial size=3D2>>3. The hottest mix =
has a cover=20
around the 2nd stage.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT color=3D#000000 face=3DArial size=3D2>Why? If I pick up a =
revolver clearly=20
labelled "bullet in chamber five" should I put it my head and =
just=20
pull the trigger four times, or should I take one last look at the =
actual=20
cylinder for old times sake? The reg cover, together with it's relatives =
(plugs,=20
colours, lables, etc) is worse than irrelavent, it's positively =
dangerous,=20
since it instills a false sense of security in the diver (this reg =
doesn't have=20
a cover, it must be OK to breathe). It's madness to take one gas (MaxO2) =
out and=20
have a different handling procedure for that gas than all the other =
gasses. Why=20
not have the same handling procedure for all gasses? </FONT></DIV>
<DIV><FONT color=3D#000000 face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 face=3DArial size=3D2>The tank is the single =
point at which=20
this can all be sorted out. It should be checked during filling, then =
verified=20
by the diver before diving...that's at least two checks, including a =
personal=20
check by the diver who'll be actually using the gas (that's me...it's my =
ultimate responsibility). If I get distracted and put the wrong reg (not =
that I=20
could tell anyway) on the bottle, it doesn't matter, if I stuff the plug =
in the=20
wrong reg (not that I'd use one), then it doesn't matter. When I come to =
swap=20
gasses I check they're all turned off, pick the bottle I need (by the =
MOD marked=20
on it), un-stow the reg and turn the bottle on...picked the wrong reg? =
oops,=20
can't breathe...turned on the wrong bottle?...oops, can't breathe. How =
simple is=20
that? It's the same for all the tanks, I don't need a separate procedure =
for=20
high O2, or to remember to plug the correct reg, or to wear it on the =
correct=20
side of the body, or any other stuff. My last resort against total=20
fuckwittedness on my part is that the MOD is written in massive letters =
on the=20
bottle for my buddy to see.</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=3DArial size=3D2>Again...How simple is =
that?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Regards</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Paul Chapman</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT color=3D#000000 face=3DArial =
size=3D2> </FONT></DIV></BODY></HTML>
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