Read an article and watched a vid about a fix aviation guys are supposedly using for chips on propellors and flaps. The ingredients are Cyanoacrylate (super glue) and Sodium Bicarbonate (baking soda). You fill the chipped area with the super glue and sprinkle a liberal amount of baking soda over the puddle, covering it completely. it pretty much dries instantly into a sand-able hard substance. I actually tried a small test piece and it worked, might be a good fix for chips and side-covers and and other small paintable repairs.
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