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On Sun, 28 Jan 1996 HeyyDude@ao*.co* wrote:

> Heyy Bernie,
> 
> You now got a long way to swim, bucko...
> 
> So, how is John's question a joke?
	His question was about those CO2 cartridges, not about a useful device 
that would get you to the surface in a hurry.
	When I first started diving, they were pretty-much standard equipment
(for those who wore a BC... usually a horse-collar).
	There were a few problems for the average diver:

	1/ The little ball tended to get caught and dump its load 
	at unexpected times.
	2/ The puncture system would corrode and freeze stuck.
	3/ The system was a source of leaks (where it attached to the BC.

   But mainly...........

	4/ There was insufficient gas to produce significant lift at 
depths below about 60ft.

	Now, I have since seen in another reply to the CO2 cart question 
that another diver has done some calculations that would give a couple of 
litres of gas at 140ft (I think that was it ?). I was suprised that there 
was that much lift, because a couple of litres would mean a couple of Kg. 
Acouple of Kg might just do it (Bucko).

	BUT.. If you're into an express-elevator emergency ride to the
surface, then why carry a piece of gear (and an extra potential 
weak-point) that may or may not work?

	 Do what the Poms do!

	Strap on a Fenzy!

 

> 
> Considering all the other shit they sell for safety (I know, 'cause if you've
> read any of my posts, you know I wear it all, including the "Farb/Irvine
> Underwater Helicopter Rescue Device") - it seems to me that this isn't such a
> stupid idea after all.  
	The Farb/Irvine UHRD sounds like a classic. When will they reach
Australia? 

> 
> Were any of us in that situation, we'd give our left 'nad for something,
> ANYTHING to get us to the surface, bent or not.
	Probably true.... but better something that works.

					Regards, Bernie Woolfrey

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