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On Sun, 26 Nov 1995, Jason Rogers wrote: > Ah, but we were talking *solo* diving (even if most of the posters > didn't realise they were solo diving). OW TMX is virtually impossible > to do as a buddy dive. Pardon my ignorance. How is OW trimix virtually impossible to do as a buddy team? I probably just spend way too much time with rocks over my head to figure that one out. > If you are diving thirds then a blown disk at thirds will do you in. > (I count a blown disk on a part full tank as not worth worrying over, > but you bought it up!) > Say you are using 3000 psi cylinders. You have used 1000 in, and > are at 2000. The disk blows at this point. You close down the > isolation valve. This takes you only a short time. You will now > have zero in one cylinder, and *something less* than 2000 in the > other. 2000 to get in, less than 2000 remaining to get out. BANG, > your dead. How long does it take a burst disk to drain a tank? Everyone I've ever seen took about 10 minutes to empty an aluminum 80 that was full. I figure if I have at least 2000psi in my double 104's and a burst disk goes I'll have around 10 minutes before I need to switch to my buddies air. Luckily I haven't had to do this (knock on wood). > But you can't dive OW TMX as a team! Why? > I don't know the answer to either question, but I can repeat what I > said to Carl. In a place (like america) where everyone thinks that > manifolds provide a redundant system (when they don't) is a solo diver's > death while using a manifold put down to solo?, or to diving > with a single gas supply? It depends if there was human or mechanical error. Manifolds rarely fail, humans often do. Ken -- ================================================================== Ken Sallot "Your trim goes to hell when you run out of air" afn35346@af*.or* - Jim Wei http://grove.ufl.edu/~ken/
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