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Just a thought What about rigid flotation. A piece of styrofoam could be carved to fit in the gap between the tanks. A coat or two of fibreglass to help resist pressure. Viola, 5 to 10 Kg lift. A little time with a block of foam could create a fairing for the two tanks that would be as streamlined as a single. I would try to get enough lift to have the tanks neutral when empty. The combo would only need about 9 Kg lift from the wings when the tanks were full. Disclaimer: I am a self-professed newbie. I never listen to my own advice, and neither should you:) ttfn David Pearson In message " Doubling Beuchat 120's (fwd)", kens@uf*.ed* writes: >> Date sent: Mon, 12 Feb 1996 07:46:31 -0800 >> From: iantdhq@ix*.ne*.co* (IANTD ) >> Subject: Re: Doubling Beuchat 120's (fwd) >> To: "Ken Sallot" <KEN@co*.ci*.uf*.ed*> >> Copies to: techdiver@terra.net > >> Why don't you scrap the 120 or use it as you do now. Doubling those up >> makes you totally dependent on both two sets of wings and a lift bag. >> Better yet buy a insurance policy and name your best friend as >> beneficiarcy (sp) , Seroiusly get eithe 104's (Diverite) 121's+ OMS, >> Dive rite or others or 108's all of these have far better swimming >> characterics. If you have to use all the bouyancy to offset the tanks >> you are considering, not only is it a dangerous system but you will use >> up much more gas due to the drag from all the floation. >> Tom > >Tom, I agree 100%, which is why I told him to try these in a pool >first. > >I heard a story about a guy up here who once tried to double up the >Beauchat 140's. He had to have two people help him to the water. He >was going to test them in Devil's Ear. He got underwater and fell >flat on his face. He inflated his wings all the way and still >couldn't get off the ground. > >FYI, I have 2 sets of 104's and won't trade them for the world. They >are the perfect cave diving tank. > >Ken >-- >-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- =- >Ken Sallot My wife who is a mammogram tech. says that >CIRCA women should get a breast exam every year. >kens@uf*.ed* >(352) 392-2007 >http://grove.ufl.edu/~ken >-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- =- >-- >Send mail for the `techdiver' mailing list to `techdiver@terra.net'. >Send subscription/archive requests to `techdiver-request@terra.net'. >
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