Adjusted hinge sites, and fitted Wing halves of left Aileron hinges with 3/32" cleco & measured how much the hinges protrude above wing surface. Play around for a while with a reference .xls spreadsheet to calculate how much pad to allow for this. Result? A uniform 0.08" for both outer hinges, and the edges of the inner. 0.085 in the center of the inner hinge. Plan for the plans 3 x BID over all, 1 extra plans BID over the hinge sites, with an additional 1 x BID and 2 x UND. An extra, extra 1 x UND over the center of the inner hinge.