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Date: Thu, 18 Dec 1997 16:33:32 -0800
From: "Tom Hanaway (S. Fl.)" <hanaway@ga*.ne*>
To: "David Shimell (shimell)" <shimell@se*.co*>
CC: "'TechDiver List'" <techdiver@aquanaut.com>,
     Lawrence.L.D.Orchard@VL*.MA*.GO*.UK*
Subject: Re: Talking of wrecking tools...
Dave thanks for the info on wreck kit.  I've just started the retrieval
portion of my dive career ;}  Brought up a 90# steel winch pulley from 170'.
From now on, I'm looking for smaller, more manageable items.   I assume a
bolster is the same as a chisel?  Do you take a  hacksaw and, if so, how do
you keep the blade covered.  I'd like to carry a small hacksaw but want some
sort of sheath for the blade to avoid cutting my dry suit. I'd appreciate any
thoughts or comments.  Tom

David Shimell (shimell) wrote:

> Lawrence
>
> Nice to hear from you again.  This is what I have done, maybe someone has
> done better or can contribute to the approach.  (Sorry for the
> verbosity.)
>
> Firstly, my wrecking kit mentioned here is a crowbar of about 0.6 m
> (24"), a lump hammer of 4 lb. (I don't bother with toffee picks), and a
> bolster of 2" width.  The 2" bolster is ideal as it is easy to position
> on an object without slipping off but not too large to create clutter in
> the pocket.  I have carried other kit for specific tasks but this is the
> basic. I keep the bolster in my suit pocket but am working on an
> alternative location to keep the pocket clear. (A Winter project.)
>  Always keep the bolster sharp.
>
> Firstly, the lump hammer.
>
> The lump hammer is kept in a home made "pouch" on the harness webbing,
> currently on the RHS where the canister torch would go.  It sits head up,
> handle down.  As I am buying a Gavin light, I shall probably move the
> pouch to the LHS, behind the waist D-Ring (I have not yet tried this).
>  The important thing is that it sits far back, near the backplate and out
> of the way.  The pouch has a loop through which the waist harness belt
> goes and it is currently kept in place by a buckle just like the canister
> torch would be.
>
> I have made this sort-of-builders-pouch from 2" harness webbing this took
> 2 hours but now I have a hand sowing machine so my next model should be
> quick to make.  Here is how to build it (I hate to say sew :)).
>
> Form a loop of webbing large enough for the handle to go through but not
> the head.  Stitch Velcro to the section that will face the outside.  The
> next bit is hard to describe but the idea is that you have a length of
> webbing that acts as a flap from the rear (close to your waist belt),
> goes over the top of the hammer head and then Velcros to the front loop
> made earlier.  Clearly flap has Velcro stitched on as well.  Make sure
> there is plenty of Velcro to ensure easy, and firm closure.  Also, make
> sure the flap protrudes below the outside bottom of the loop so that it
> can easily be lifted with gloved hands.  Stitch this flap so that it also
> acts as a second loop for the harness waist belt to pass through.
>
> The idea is to have the hammer head level with the waist belt webbing as
> the centre of gravity is high otherwise it will flap around and be
> annoying.
>
> Next the crowbar.
>
> The crowbar is easy: get a section of waste water piping (1.5 inch, I
> think) cut to slightly longer than the length of the crowbar, this acts
> as a sheath - just like a sword.  Fix two dog clips (AKA bolt snaps,
> piston clips) to the piping and carry the arrangement as a stage on  the
> LHS.  Put this on before your stages so it sits close to the body,
> allowing the stages to find their own attitude as they streamline
> themselves.
>
> The crowbar must be selected to fit by friction *alone* into the piping.
>  Not all do this - most are too tight.  Shop around and you should find
> one that is fine and buy several.  The handle of the crowbar (the bit for
> getting nails out) does protrude and is a point where nagging can happen.
>  So make sure it is close in to your body and is slotted right into the
> pipe as far as possible.  The "handle" is easily accessible and visible
> so snagging is not really a problem. Make sure there are no rough or
> sharp points on this end of the crowbar as you may cut yourself or more
> importantly your suit :).
>
> And finally the ancillary kit.
>
> Lift bags (up to four) and goodie bags (1) sit on the back gas cylinders.
>  They are folded into long tubes slightly longer than the gap between the
> bands.  Strops and clips are pre-connected but wrapped up inside so they
> do not snag.  Each bag is kept tidy using the same sized inner tube as
> used to retain the Barry Miller backup lights to the harness.  These are
> cut thinner (e.g. 10 mm) so that they can be easily removed underwater.
> On each back gas cylinder I have two truck inner tube strips about 1"
> wide.  The top sits under but near the top cylinder band, the lower under
> or over (but near) the lower band.  Pre-packed lift bags sit under these
> truck inner tubes.  The method of deployment is to pull the lower part of
> the pre-packed lift bag outwards from under the lower tube and then pull
> down to get it out of the top tube.  This is real easy.
>
> Try to have the bags as close to your body as possible as this will
> minimise drag and allow the wings to wrap around better.  The bags sit
> well on the cylinders, do not come off and are out of the drag as the
> wings wrap around them.  The arrangement is clean. I only have one large
> and tough (90 Kg) bag, the rest are 35 Kg Bowstones.
>
> The only problem I have had with this arrangement, common to stuffing the
> long hose, is that once removed, the lift bags cannot be re-stowed to
> their proper place.  However, they can be stuffed under the waist belt to
> the rear since they are thin tubes.  But then who is going to get a bag
> out and not lift their prize?
>
> As with all things only take what you need on a dive and this kit is not
> taken on all my dives, only when "I'm on a mission".
>
> David Shimell
> Project Manager, Sequent Computer Systems Ltd, Weybridge, UK
> Email: shimell@se*.co*
>
>  ----------



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