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There are three obvious things wrong with this stupidity 1) You are diving independent twins: See the discussion in the archives on independent twins. 2) You are unnecessarily convoluting your setup: Either dive with a single tank, or leave the damn valve open. 3) What's the point of shutting it anyway? It doesn't save any gas. At 10:57 AM 12/8/97 +0100, you wrote: > >> I did a trimix course with Kevin Gurr earlier on this year. Diving with >the >> isolator shut to "save gas" certainly was not part of the course. >However, >> on the way back from a dive he did mention that on a short dive, diving >> with, say, twin 15L cylinders he would have the isolator shut. He would >then >> only have to dump and refill 15L instead of 30L. Is this really so bad? >If >> he had a problem It takes a second to reach behind and open the isolator. >> > >What kind of problem could occur ? > >1. Emty bottle ? So what. Switch to the secondary regulator. And/Or open >the isolator. >2. Second stage failure ? So what. Switch to the secondary regulator, close >the valve to the bad regulator and open the isolator. >3. First stage failure ? So what. Switch to the secodary regulator, close >the valve to the bad stage and open the isolator >4. Broken HP gauge or hose ? So what. Switch to the secodary regulator, >close the valve with the bad hose and the isolator prevent loosing gas. >5. Broken LP inflator or hose. So what. Switch to the secodanry regulator, >close the valve with bad hose/inflator and the isolator prevent loosing >gas. > >Maybe I'm way out on this one. Flame me if you like, but what can possibly >be wrong with this. > >Atle Aamodt > > > -------------------------------------------------------------------------- Kevin Connell <kevin@nw*.co*> Northwest Labor Systems http://www.nwls.com Bellingham, WA --------------------------------------------------------------------------- -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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