(Duckworks HID Landing Lights):
Tonight my plan is to get the lower lens retaining bracket taken
care of. This one will get attached to the wing skin with screws
so there's a little more involved with it. First step is to take
the larger thin piece and clamp it 0.3" aft of the lower edge of the
hole. Then match drill the 3 holes into the skin. Then the
piece is removed and the holes in the skin are opened up to accomodate
a #6 screw. Once the drilling in the skin was complete, I
deburred all the holes (upper & lower) scuffed the inside of the
skins where the holes are, and then dimpled the upper and lower bracket
holes in the skin so I could trial fit the pieces.
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Ok,
back to the lower bracket… the two pieces were clecoed together
so the screw holes could be drilled to their final size, and also so
the nutplate holes on the thicker piece could be match-drilled to the
thinner piece. After that, the holes were countersunk because
this side will sit flush against the inside of the skin. After
then finally, the screw holes were countersunk to accomodate the
dimples in the skin.
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Kewl, now we can tear down the remainder of the leading edges…
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