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Will, I am beginning to understand the rainman thing. Some of your ideas, like the zplan, are pure genius and some are well ...they may be genius but they dont make sense to me. This xtra load of failure points is really kind of funny in that it gives you all the bad aspects of a lousy idea and none of the good ones. Look at the diagram again. I know your a busy guy its at http://www.aquavitinc.com/diagram.htm Both tanks are tied together by a pressure hose. When that hose blows< and we all know it will> You lose both gas supplies. You have to shut your primary and the little bottle does not have a valve. If the second free flows you cant shut it off and you are losing your only source of gas. A first stage failure is covered by the little bottle but the dreaded tank neck o ring failure is still there. But if you dont maintain your first, are you going to maintain this thing? You cant hand it to another diver. Then there is the mindset behind this thing. You can't pay attention to your gas supply? You shouldnt be in the water. If this is only for emergency use then shouldnt it be bullet proof?? If your plan is suck your main dry and shoot straight up fine. If its suck your main dry and ascend on the pony fine. But then you need enuff gas to ascend safely and a 13 is the edge of that envelope. The outer edge. This will give you what ten twelve breaths from 120 fsw?. Just slightly better than a spare air suppository. And we all know this will wind up at that depth in the hands of that diver. If you have a real pony you can switch to it and motor home. This is a convolution, right up there with bungee wings, 80/20, metal to metal, poodle jackets and curb feelers on the sides of your doubles. It's crap. Now please just give us a winner in the fake G contest. Cmon i need the money.... :-> Cheers, Al Marvelli aka KybrSose@ao*.co* -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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