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How long typically would it take to lose air from a freeflow at depth - say 60m, tank size 12litre (twins) ? Im just interested to know how much time I have got to shutdown a tank, I was told that a full 15 Litre would empty within 30 seconds at depth. How much effect does depth have on the rate of loss, is it multiplied by each atmosphere of depth ie, if I similulate a free flow at the surface, do I then divide the time by the number of atmospheres ? I may have put this question over wrong but Im just interested in what the time factor would be to losing all my gas in a real situation, I can then judge how good my shutdown procedures are Thanks > > > What's the DIR on pressure gauges one or one on each 1stage for the > > bottom mix ? > > One pg, on left post. > > > I know most people will say one but if this is the case ? How i guess > > from which tank > > im loosing the air ( in case of rapid air loss ) after the > > isolation or > > do i follow the rule the needle doesn't drop > > that means the leak in on the other tank ? > > You've worked the answer out yourself. > Of course, if you know where the leak is (e.g. freeflowing 2nd stage), you > can > shut the post down directly. > > > What's the procedure during > > that crucial moments do i breath from > > the leaking tank ( if that's possible ) till runs out of air and then > > switch to the other ? > > If you've done your gas planning properly, you shouldn't need to do this. > Switch to the working tank, and abort the dive. > > > Or do i just isolate and > > take off the gear for a check out from the behind ? > > This should not be necessary. Once you've isolated, you have enough gas > to abort irrespective of where the leak is. If your reg stops delivering > gas, > swap regs. If you've really screwed up and don't know what you're doing, > your buddy can look for the leak and shut it down. If you still can't sort > it out, > your buddy has enough gas to get you out. Plenty of options before you start > with kit removal. > > John > ps: straight question + no attitude = straight answer. > -- > Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. > Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. > ---------------------------------------------------------- This message was sent using http://uk2.net UK's FREE Domains, FREE Dialup, FREE Webdesign, FREE email -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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