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From: "Tom Mount" <TOM.MOUNT@wo*.at*.ne*>
To: "Simon Murray" <simonm@ho*.co*.za*>,
     "Tech Diver"
Subject: Re: stroke tee shirt /dive girl mag
Date: Fri, 25 Feb 2000 10:55:53 -0500
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

----- Original Message -----
From: Simon Murray <simonm@ho*.co*.za*>
To: Tom Mount <TOM.MOUNT@wo*.at*.ne*>; Tech Diver
<techdiver@aquanaut.com>
Sent: Friday, February 25, 2000 3:14 AM
Subject: Re: stroke tee shirt /dive girl mag


> Thanks for the post, I had seen your earlier one regarding your equipment
> configuration, but the detail you provided below makes the differences
> clearer.
>
> While I can see several counter arguments to the ones you put forward
below,
> I dont think that I have anywhere near deep enough insight into how DIR
> evolved to point out anything 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 look forward to the replies of more experienced DIR divers.
>
> Regards,
>
> Simon Murray
>
>
> ----- Original Message -----
> From: Tom Mount <TOM.MOUNT@wo*.at*.ne*>
> To: Simon Murray <simonm@ho*.co*.za*>; Tech Diver
> <techdiver@aquanaut.com>
> Sent: Thursday, February 24, 2000 8:13 PM
> Subject: Re: stroke tee shirt /dive girl mag
>
>
> > Simon
> > I already posted my personal configuration which is hogarthain but not
> DIR;
> > So if you have been following this you already have a copy of it if not
> look
> > into the archives
> >
> > First Difference I use a quick release on my harness in OW and wreck
dives
> > It is located on the lower left shoulder strap
> >     Why, because a couple of years back I have a student in a trimix
> course
> > during the descent have problem and she bolted. I worked with her and
got
> > her to thesurface where she became passive incoherent and had me quite
> > worried about an AGE. We were both in Continuous webbing. while I
practice
> > removing my gear all thetime while swimming and static in this situation
> > trying to maintain her stability I could not get hers or my gear off.
Yes
> I
> > did cut her out and theboat did come to us but it took about two to
three
> > minutes cutting the WET webbing. As itturned out she did not have any
> > problems but had she had an AGE that extra time could have cost her her
> > life. Thus I immediately went to Brownies and had them install a Quick
> > Release on my harness
> >   IANTD in its trimix course requires a rescue and removal of all
> equipment
> > as PART of emergency response training. the equipment is removed within
1
> > 1/2 minutes. It is extremely rare that someone in a continuous webbed
> > harness can complete this. Why the time limit because AGE has to have
> quick
> > response to save lives. Also try removing someone's equipment in a 4
foot
> > sea without a quick release and without half drowning them and you may
see
> > why my preference is to have a quick release.
> > bottom line I use a quick release because it is an effective life saving
> > tool,
> > And no it does not matter in cave diving's usually where a problem exist
> the
> > last thing you would do is remove equipment inside a cave hundreds or
> > thousands of feet in.
> >  If you review the history with quick releases the incident of failure
are
> > so remote as not to be significant so I find the argument of if your
Quick
> > Release breaks on a cave dive you will lose your gear
> >     In addition you can disconnect a Quick Release and swim the
equipment
> > without it coming off if you place the quick release on the lower
shoulder
> > strap. Fabio Amaral who runs the operation in Bikini did a complete dive
> > (extensive penetration) on the Saratoga and undid his quick release as
> soon
> > as he got in thewater. He did not even have to touch his gear theentire
> dive
> > . He  did snap it back before climbing up the dive ladder. I have done
> > similar practice drills and had students do them no one yet has had the
> > equipment shift or come off
> >
> >
> > Second Difference All my hoses go straight down they don't criss cross.
> > Basically I do not like a confused area behind my neck with criss
crossing
> > hoses.  This item is personal preference
> >
> > Third difference My BC inflation hose is on the left post with my back
up
> > regulator. Why because it is a probable warning if I accidentally bump
the
> > left post shut and it is in my opinion a clean setup.  As the only time
> I'm
> > ever negative is during descent the argument about a sudden loss of
> buoyancy
> > does not offset the advantage of the possible warning of a valve
closure,
> > Even should I have a buoyancy loss I can oral inflate my BC a skill I do
> > teach and practice.
> >
> > Fourth difference my dry suit inflation hose is on the right post, when
> > using mix I use argon and the dry suit is inflated from the argon
cylinder
> > but I keep the extra hose under my shoulder harness and linked to the
> argon
> > hose so it does not create drag and can easily be connected in case of a
> > failure from the argon hose and I still keep my bc connected with its
> normal
> > inflator. Al hose connections are interchangeable BC and dry suit.
> >
> > Sixth difference is Instead of attaching theSPG 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)
> >
> > Seventh difference is I place my lift bag when diving off shore at the
> base
> > of my back plate as it is easy to remove and can be replaced and creates
> > zero drag and most of all is completely out of the way
> >
> > Long hose storing and breathing , light placement etc is all as in DIR
> >
> > So now Simon you see the difference and a brief explanation of why.
> >
> > I do not think there is anything wrong with DIR I just think that
options
> > such as the ones I use are logical and safe.
> >
> > I do think that continuous webbing in OW creates more of a possible
> > liability than having a quick release and base that on my experience
> > described above and on observation of others. In cave it really does not
> > matter
> >
> > Now I have no intention of responding to some of the yelling I imagine
> will
> > follow as it is not DIR but for some they may find this approach every
bit
> > as attractive and safe as DIR
> >
> > Basically I think good configuration comes from applying logic and
> > application and listening to others. As I stated in an earlier post.
> >
> >
> > Respectfully yours,
> > Tom Mount
> > CEO IANTD World HQ
> > http://www.iantd.com
> >
> > ----- Original Message -----
> > From: Simon Murray <simonm@ho*.co*.za*>
> > To: Tom Mount <TOM.MOUNT@wo*.at*.ne*>; Tech Diver
> > <techdiver@aquanaut.com>
> > Sent: Wednesday, February 23, 2000 10:06 AM
> > Subject: Re: stroke tee shirt /dive girl mag
> >
> >
> > >
> > > ----- Original Message -----
> > > From: Tom Mount <TOM.MOUNT@wo*.at*.ne*>
> > >
> > > <snip>
> > >
> > > At the risk of getting in the middle...
> > >
> > > > Anyway if you would like to have this discussion then lets do it if
> not
> > > > then lets do as we agreed  per your request and drop the issue. It
> would
> > > be
> > > > quite time consuming for both of us and whoever else elects to
> > contribute.
> > > > But it would be an actual open discussion for all to participate,
> > > > Who knows we may all gain from such a presentation of configuration
> > > issues.
> > >
> > > I know the DIR configuration *very* well so why dont you kick off by
> > telling
> > > us how your personal configuration differs from DIR and why it is
better
> > to
> > > configure your way ?
> > >
> > >
> > > Simon Murray
> > >
> > >
> > >
> > >
> >
>

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