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Sonex 1292
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Date: 4-3-2011
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Number of Hours: 0.00
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Manual Reference:
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Brief Description: Fuel tank repair #3
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Today, I made my third attempt at plugging the tiny leak in my gas tank. “G/flex Epoxy Adhesive”, from http://www.altrec.com/nrs/g-flex-epoxy-repair-kit, is supposed to bond with Polyethylene (the material the gas tank is made from) and the aluminum fittings. To get this epoxy to adhere to the tank it is necessary to ‘fire treat’ the material prior to applying the epoxy. By ‘fire treat’, they mean to take a propane torch and burn the material. The instructions say to move the torch over the material very quickly. So the flame hits the material, but it appears as though nothing happens. When I did it, it barely made the material warm – the instructions say this will oxidize the material and the epoxy will stick.
This whole event sure did make me nervous though; I would be taking a torch to an area where gas had been leaking, to burn the surface of a gas tank. Needless to say, I cleaned the whole area with soap and water, and drained the tank. It all went off without a hitch. I applied the epoxy to all three fittings near the bottom of the tank, just to be sure. Now, I’ll wait until next Thursday to refill the tank and see if it works. If this doesn’t work, I’ll have to order the Oops fitting.
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