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From: <kirvine@sa*.ne*>
Date: Wed, 10 Nov 1999 14:49:51 -0500
To: Cam Banks <cam_banks@ho*.co*>
CC: techdiver@aquanaut.com
Subject: Re: DIR bits & pieces
Compass on one arm, timer on the other. I put the timer on the right
since that arm is on the scooter and I need to see the depth all of the
time as part of the cave navigation and data recording process. I hold
the light on the compass every once in a while so it glows and I can see
it if I want to.

I leave it the same for ocean to be consistant, even though the compass
is the more important tool there, and I leave everything the same
whether I am swimming or scootering for the same reason. Nothing ever
needs to change and that makes my whole game safer.

No , "integrated" quick release weight schemes are NOT DIR. Anything
that convolutes or compromises the obvious system is not DIR. Anything
that forces modification after modification to use standard gear is not
DIR. I believe the weight thing from Halcyon is for Police and Fire
rescue units that are kept in the trunk of a car with a 30 cu bottle and
find their origin in the Brownies belt for the floating compressor. Down
here the cops are constantly fishing people out of their cars in the 
canals that run along most of the roads which were dug to get material
to build the roads up so they do not flood with the tropical rains. They
grab this thing, throw it on over their clothes and jump in . In fact ,
one such dive finished off one of my buddies from ever diving again
after he went in for a rescue and jumped right onto an alligator. He did
not get hurt, but he quit diving altogether.

Weighting can be added in backplates , wedges etc if a drysuit is used
and it still balances, but with a normal rig, the weight needs to be
removeable and separate from the harness completely, other than the
cannister light , which also must be removeable and unblocked.

A weightbelt is a beautiful thing and has always been a key element in
how the game is played. For harness with a dryusuit, you put it on under
the harness and it takes two steps to remove ( yet will not fall off by
itself since the harness catches it), but then it is generaly not a dire
need to ditch it since you have both a bc and a drysuit and the drysuit,
if it is a shell with insulation, maintains is buoyancy characteristics,
and if it is a wetsuit, you put it on over the harness so you can lose
it fast, just like always. For the fat boys ther are suspenders for
drysuit weights, but then the obvious solution there is to double or
triple up the steel backplates and make a harness just for diving the
shell shit with thick insulation, like we do for our decompressoin rigs
which are nothing more than weighted backplates with with harnesses
identical to our regular rigs to which we attach stages ( the back tanks
or rebreather have been removed). They are not "integrated", they are
for the drysuit only and compensate for the 20 or more pounds of lift
generated by the drysuit insulation under a shell at any depth just as
the 104's and cansiter light do .

Any other arrangement is NOT DIR. If you want a "transpac" type thing or
other "tec" bc, or whatever, go get one, but don't turn a great system
into a mess. 

The beauty of a harness is tht the harness works for all applications
interchangeably without modification or any change - if you goober it
up, you might as well buy a "tech" bc or "transpac" type bc.


Cam Banks wrote:
> 
> So, the DIR spot for my compass is on my arm?  I can barely get my
> computer/bottom timer strap over my drysuit above the glove.  Is it okay to
> wear the compass on the other arm?  Most days in Monterey, I need the
> compass, unfortunately.
> 
> Weights: why are the Halcyon ACB pockets not-DIR?  (I hate non-integrated
> weights)
> 
> Solo Diving: if you're diving solo, non-DIR by definition I know, what
> changes should be made?  Besides getting a buddy.  Thanks.
> 
> Cam
> 
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