Tom, I re-read your original post.  I have some questions regarding
placement of your SPG.

You said "Instead of attaching the SPG to the waist D ring I attach it using
a short hi pressure hose to  a lower D ring on the left shoulder. It this
position it remain at the d ring level rigid due to the hose length and I
can simply glance down and read it any time with or without stage(s)."

Do you mean that you 1) have another D ring below the left shoulder one that
you clip your SPG on ? Or 2) Do you clip your SPG on the the left shoulder D
ring that also has stages clipped on ?

Why do you want to just glance down and read it ?  This weekend for example,
I looked at my back gas SPG maybe 3 times during each dive (unclip, look,
re-clip).  My buddy did the same and since we have very similar SAC rates,
we double check one another.

Putting the SPG on the shoulder D-ring (option 2) will unnecessarily clutter
an already busy place- 2 stages, inflator etc.  With all gauges on one
D-ring, must increase the chance of confusion between back gas and stage gas
pressure.

Do you carry both your stages on the same side, with no 'poodle jackets' or
'coloured caps' over the regs ?

Regards,

Simon Murray

----- Original Message -----
From: Jess Armantrout <armantrout@wo*.at*.ne*>
To: Tom Mount <TOM.MOUNT@wo*.at*.ne*>; Simon Murray
<simonm@ho*.co*.za*>; Tech Diver <techdiver@aquanaut.com>
Sent: Saturday, February 26, 2000 2:41 AM
Subject: Re: stroke tee shirt /dive girl mag


> I know of several fatalities directly or indirectly attributable to
failure
> to maintain buoyancy control and none due to failure of a donar to be able
> to get air in an out of air situation.  That is why DIR treats buoyancy
> control as life support and keeps the bc on the right post.
>
> When the shit hits the fan, especially including an ooa situation, whether
> you have buoyancy control or not will probably determine if the problem
gets
> solved or accelerates to a cluster fuck.
>
> As usual, Tom is on one side of the argument and DIR is on the other.  The
> solution is intuitively obvious to even the most casual observer.
>
> Jess
>
> -----Original Message-----
> From: Tom Mount <TOM.MOUNT@wo*.at*.ne*>
> To: Simon Murray <simonm@ho*.co*.za*>; Tech Diver
> <techdiver@aquanaut.com>
> Date: Friday, February 25, 2000 3:54 PM
> Subject: Re: stroke tee shirt /dive girl mag
>
>
> >Simon
> >you said
> >but the obvious issues e.g. BC on the left
> >> post- if the rolls off AND breaks/bends (as I understand is possible)
you
> >> will be left without BC inflation.  Since dry suit inflation should
come
> >> from an Argon cylinder, it makes sense to connect the BC to the most
> >robust
> >> post- the right hand side.
> >
> >I think i would much rather have the BC inflator hose on my left post so
> >that if I do bump or damage the valve handle, I will have a warning, This
> to
> >me is a much better decision than having had accidently had it closed or
> >damaged and then get into an out of gas situtation and discover I had no
> gas
> >once I handed of my long hose. and then have to correct thesitutation. My
> >way it is unlikely that I could get into the later situtation.
> >
> >Oral inflation of a BC is rather easy, for years that was the only way we
> >did it. So loss of an inflation hose is not a real issue. plus when on
gas
> I
> >use argon but have a separate hose from the right post that will fit
either
> >my dry suit of BC.
> >When I dive wet still no problem. Maybe you should do two things have the
> >extra hose is totally out of the way and maybe you should practice oral
> >inflation of a BC it really is easy.
> >
> >Respectfully yours,
> >Tom Mount
> >CEO IANTD World HQ
> >http://www.iantd.com
> >

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