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"Blankenship, John" <JWB@at*.em*.ed*.co*> wrote: > > My question is: how difficult is it to use a manifold to turn two AL 80 > tanks into a set of doubles? I know AL 80's are really not the best choice > for a set of doubles, but I would like to get the bands, manifold, etc. > before investing in steel tanks and use them on the 80's to get the feel, > more bottom time, etc. Also, can you modify a jacket BC to accomodate > doubles in any way? Any thoughts, ideas, comments appreciated. Look forward > to it!! Using a dual outlet manifold to turn your 80's into doubles is actually pretty easy. There are a few things you should take into consideration before deciding this is the route you would like to take. First, you want to invest in a dual outlet manifold, like the ones manufactured by Dive Rite or OMS, avoid purchasing a suicide manifold that merely bridges your existing valves. When purchasing your bands, remember the diameter of your 80's is 7.25", when you upgrade to steel cylinders many of them will be 8.00" diameter so you will have to purchase an additional set of bands. Theoretically you can modify some jacket BCs to accomodate doubles, having done this myself, my recommendation is invest in a back bouyancy wings system designed for doubles (OMS or Dive Rite). The jacket tends to pull down causing the diver to lean forward, pretty painful on the back after just a short amount of time. Good luck, Tom
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