OK, the following images are not suitable for viewing by women of good repute, small children, or exclusive ARF builders. . .
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After rolling on the West Systems and rubbing in the microballoons, I allowed the wing to cure for a day. Then I did the other side and allowed another day for curing. Once I was sure everything was nice and solid, I broke out the 120 grit paper and began wet sanding. Even though it makes as big of a mess as you are imagining, it seemed to be a faster way to get down to a smooth surface and keep the paper from clogging up. Since the weather was nice outside, I just took the wing outside in the grass every once in a while and hosed it off. Does anyone know if microballoons have any fertilization properties?
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And yes, I was tempted on more than one occasion to break out the pressure washer you see in the background. . .