(18-5 step 4): After
that I looked at the plans for what to do with the shims. This is
where the plans start to get real vague… some holes are spelled
out for you as far as what to do, but there are a few here you have to
figure out for yourself. Anyway, here's what we did... for the
nutplates that attach to the shims AND the tank attachment bracket we
countersunk the nutplate attachment holes in the shims... that is all
the holes accept the one that is really close to the edge (far right in
the upper pic). We dimpled this one and countersunk it in the
tank attachment bracket (as shown in the left side of the lower
pic). The screw holes are left alone for now. We'll
eventually wind up countersinking those when we attach the wing root
fairings. The remainder of the skin rivet holes in the tank
attachment bracket were countersunk as well.
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