OK, thanks for everyone who confirmed what I first thought; that it doesn't matter what the tank size is or what it's made out of (as long as it's rigid), the buoyancy change will be the same for a given volume of air. My error was in assuming that a major company like US Divers would get their specs right when they put them in print. Makes one wonder what else they got wrong. Anyone know what the correct chart should look like? On a related note, I have confirmed with my local US Divers dealer that these LP steel tanks will only be availiable with yoke valves. "since they are low pressure you don't need DIN" I was told. Also, US Divers does not make or even distribute a manifold. And, they won't sell tanks w/o valves so anyone thinking of buying these tanks for doubles will have to get the manifolds from another source and throw away the yoke valves. Makes one wonder what they could possibly be thinking. Here the exclusive dealer for LP 104s refuses to sell the tanks ready to go as doubles (or even with a Y valve). What market could they possibly think they have for single LP 104s and 120s? Who's going to be buying these expensive tanks to use as singles? Or, who knows, maybe they'll put those big lime green nitrox stickers on them and folks will snap them up like candy. --------------- Kent Lind Juneau, Alaska -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send list subscription requests to `techdiver-request@aquanaut.com'.
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