Centered the special size AL angle on the aft side of the subpanel and set the spacing from the top edge. Backdrilled the first few holes and adjusted while marking the points needing a little crimp to bend.
Tested with hinge template and marked for cut-outs to clear the hinge when opened.
C/S and riveted nutplates for the Dynon SV-Intercom and SV-COM-425.
Garage at 95 degs, and 45% humidity. Monsoon desert heat is here.
