Larry, Had to change the title to make it relevant:
Larry wrote: > I've had a problem with my right > wing tank. Someone years ago put a rivet on patch on the end that buts > against the fusilage. Used "pop" rivets. Must have leaked, cause he > tried to seal it. Looks like he used "Cream" type sealant... > Been using MEK, and Acetone. MEK works best... At this rate, it'll take the > next 3 years before I feel > comfortable enough to use the tank. I had a shop do my tank because MEK is such nasty stuff and I didn't want to breathe it. It took three days of soaking with MEK, turning the tank every few hours. I think I paid for 3-5 gallons of MEK. But, that got rid of the old "creamy" sloshing compound. > The plan is to get all of the > sealer out, weld on a patch on the end that won't leak... Actually, a riveted patch is not a bad idea, if done right. The black stuff is probably "PRK." The proper rivets to use are "CherryMax," not hardware store type. The Cherrymax pull-stud is a good seal. Use PRK around the patch and on the rivets. David N6359V
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