Ran out of work to do without my riveting partner so I started on the ailerons. Assembled the spars, doublers, ribs and counter balance tube. Match drilled all parts and temporarliy riveted the tube to the front ribs. Cut out stiffeners and used the scotch brite wheel to deburr the edges then match drilled to the work bench. Removed skins and stiffeners and deburred and dimpled.