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Jim's Web Site
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Date: 4-12-2015
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Number of Hours: 5.00
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Manual Reference:
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Brief Description:
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This last two weeks have been trying. No new or surplus aileron skins to be had. So I have to modify the fast build skins. The main problem is that the fast build skins when assembled result in an aileron that is too thin in cross section at the outboard end. This is no small problem. With no real solultions apparent or suggested, I had to come up with my own. So what I did was treat the fast build upper skin as usual, setting it in place in the cradle, then placing the aileron spar, setting in place the aileron hinges. I left the spar large. Then I put the lower skin in place, sanding down the spar until the proper aileron to wing skin clearances were obtained. This, of course, left the two skins, at the leading edge, apart from one another, by a varying amount up to about 3/8 inch. So I applied a two layer carbon layup to the inside radius of the lower skin at the leading edge, extending up enough to take up this gap. Then I put the two skins together, and sanded down the addition enough to leave just a small gap. Next, I cut off the counterweight flange on the lower skin, and added a three layer carbon layup from the inside of the lower skin, overlapping the added layup, extending enough to allow for the addition of the counterweights. I am doing this in two stages, to make sure that I have the proper reference between the existing angle of the counterweight flange and the new flange.
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