[PSUBS-MAILIST] inner tube bladder

[hank pronk via Personal_Submersibles]

Alan,When you mentioned using gasoline for buoyancy and showed a nice bladder for fuel, I did a test.  I though about what would be the lowest cost bladder to hold gasoline.  I thought of an inner tube, so I went to my inner tube spot on the shelf and cut sample pieces and put them in a jar with gasoline. I don't remember how long ago that was now but I just checked the sample and the inner tube rubber appears unaffected.  When I googled the idea, I did not find positive information, so a test was in order.  I also have a long running test of an inner tube with oil in it, for over a year now I have been testing that, so far all is good.Hank
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