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Old April 7th 17, 02:35 PM posted to rec.aviation.soaring
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Default Pin holes (again)

Let me pass on a good trick to deal with Kevlar fuzz. If you accidentally sand into a Kevlar layer, you find it won't sand, it just fuzzes up! We soaked the exposed Kevlar with CA (cyanoacrylate) from the local hobby shop, then hit it with Fix. This left it stiff as a board and simply scrapped most of it off with a sharp razor blade.
Also had raw Kevlar exposed at the trailing edge of flaps and ailerons. These areas must be sealed up or the Kevlar will "wick" in moisture! We got some 1 oz fiberglass tape (1" wide) and 1" peal-ply. Wet it out and wrapped it around the trailing edges, held in place with masking tape orientated for/aft.
JJ