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I was reading the awlgrip manual and they talk about the last coat of primer and painting over it without sanding it first. I cant remember what I did last time but I was under the impression that the primer should be sanded with 220 prior to paint?
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Never read that anywhere about 545 and the not sanding. It needs to be sanded. The finish sanding before painting is hand blocked with 400gt or DA with 220gt.
Don't make a mistake the 1st time I asked and was VERY clear as to the fact that I was "Hand Blocking" the hull and said it several times.
The guy told me 220gt and then when everything was done he said "Oh I thought you were DAing it?"
Aggg!
It will have micro scratches showing in the paint if you do. A DA erases it's own scratches.
tito To add to what Chuck said about the alum bracket. If the boat sat in the water and had bottom paint. It must be treated with a bottom paint that is designed for a alum boat. To not do this can be very BAD. It will eat the alum,as the bottom coat has copper in it.
Jumping waves in a boat may look cool in pix's but it sure does put extreme stress and strain on things.
A alum bracket should not crack, but there are plenty of subject's that have.