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Date: Tue, 30 Apr 1996 21:15:45 +0100
To: Ian Balcombe <Ianbalco@ia*.de*.co*.uk*>
Cc: techdiver@terra.net
From: john thornton <johnpt@jo*.de*.co*.uk*>
Subject: Re: Lift Bag Deployment
In message <f$f5DCAGtdhxEwEw@ia*.de*.co*.uk*>, Ian Balcombe
<Ianbalco@ia*.de*.co*.uk*> writes
>       I use a lifting bag attached not to a reel but to 40m (130 feet)
>of one-inch webbing. 
>       The webbing is folded neatly into a weighted pouch, (it has an
>ankle weight sewn into it), which I carry on my harness. The pouch is
>about 10 inches high and about 6 inches in diameter.
>       The webbing has plastic D-rings sewn in at 5m intervals. From 24m
>upwards they are at 3m intervals. 
>
>To deploy this, I:      1) detach pouch from my harness.
>                        2) open the pouch and inflate lift-bag, allowing
>the webbing to unfold loosely through my hands until the bag is at the
>surface.
>                        3) clip on to the webbing and hang.
>                        4) close pouch, with any undeployed webbing
>inside, and clip pouch to the line also. It hangs weighted on the line.
>                        5) as I ascend to my deco stops the line hangs
>below me. I clip on at my stop and then leisurely coil in the webbing,
>which is placed in the pouch (when it appears) and then closed (velcro).
>                        6) By the time I surface ALL of the webbing is
>back in the pouch.
>                        7) Signal O.K. to the boat then deflate lift
>bag, wrap it up in itself, then it too, goes in the pouch which is
>clipped back to the harness.
>
>        It is a flexible system:
>                If the need arises, a support diver on the surface, can
>attach a buoy to the lifting bag to give extra buoyancy. Stage cylinders
>can then be hung to be used later by the diver below. 
>                On occasion, when diving a wreck in less than 40m, I
>have attached the webbing to "difficult" (yet attractive) pieces of
>wreckage which have then been pulled up from the surface. 
>        This system has been worked by the Tech Divers I dive with, for
>over three years. It is extremely simple to use, believe it or not :-)
>and has never tangled, even slightly, in over 150 deployments. 
>        I think that it now produced commercially in the U.K. by
>"Bowstone". 
This guy knows what he`s talking about how about coming and diving with
us!
>        

-- 
john thornton

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