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Interesting question.
I flew in unsanded primer for two years. After
upholstery, and paint, (Slick finish and 60lbs later) my plane was about 5 knots
slower. Go figure!!!
Does the supersonic fighters have a slick painted
surface or a mat finish? Doesn't a slight turbulance or trapped boundary
layer of air offer a better surface for flight? What say you air racers and
aeronautical engineers?
Practically speaking, I was glad the plane was
proved in primer. I did some body work, fixed some tolerance issues and trued
out two flight surfaces before color coat. Plane is now perfectly
trimmed.
Bob Smiley
N94RJ
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