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From: J Shepherd <jms@ta*.ed*.ac*.uk*>
Subject: Re: Pony-bottle rigging
To: RLatulip@ao*.co*
Cc: techdiver@terra.net
Date: Fri, 23 Aug 96 10:37:48 BST
> Why in the world would you need a 30 cuft pony attached to you for general
> recreational type open water diving??? 
> --
> Send mail for the `techdiver' mailing list to `techdiver@terra.net'.
> Send subscription/archive requests to `techdiver-request@terra.net'.


	Do the sums; if you want the pony to be a managed bailout rather
than a rather exotic blow and go (Martin Baker style) then you add the
sums up. Unless you're a WKPP approved gas diver the chances are that
your air consumption will go up under any circumstances involving
switching to a pony, and since it's managed, I would intend to leave the
water with the ponies' 25% reserve intact. Works out a 4l @ 207 bar
doesn't get you too far. (4l ~ 30cuft? 2~13cuft which isn't worth spit,
the money or the hassle).

	Alex, this is techdiver not cavers, piss off. To a lot of
recreational divers, using a pony *is* tech, and this is the first stop
they come to. Stop being a dickhead.

	Jason

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