Getting my wings ready for cover...I went thru the procedure in the manual for checking for leaks in the fuel tanks way back before I installed them. All checked fine. But I was still concerned about a possible leak, thinking that once I cover, and if there is a leak I would become very unhappy. Clark in AZ, who is building a Superstol, gave me an idea and I decided to try it. I filled my wing tanks with distilled water and allowed them to sit for a bout 8 hours. No leaks!!! I did slightly over fill and the water ran out confirming the functionality of my overflow drain. Anyway, I suppose this test is of limited usefulness, because as you can see in the pics where the water level is when the tank is full, and some of the tank seams will not be submersed and so those seams won't be checked. But at least I know my fittings don't leak. I then drained the tanks. The airplane is still probably a year from flying, so I am sure that any water that may still be in there will evaporate. Gives me a little piece of mind before I cover.
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