Sect 10-5 Steps 2 & 3: Drilled 17/64 Systems hole (several layers including steel VS hinge brackets) and Tie Down Bracket 4 holes at #12 size.
Sect 10-6 Deburred edges, drilled holes, rounded flanges eliminating facets against skins. Sect 10-7, Steps 1-3: Lots of dimples in two bulkheads...sizes #30, #40, and #27 (#6 screw dimple dies works well). With those completed, time to scuf, clean w/ Acetone, and Spray 7220 Self Etching Primer (Napa brand). Ready to rivet !
Ready to Prime. Parts on left are Not Alclad, so require Primer. |