Installed the avionics trays for my garmin SL-30 Nav/Com, Garmin 327 transponder and PS Engineering PAR100EX audio panel / Com2. These screwed directly to my radiorax rails. I had to fabricate a gole in the subpanel for the long tray of the SL-30 to pass through. The cantilver seemed a bit weak so I fabbed up some support angles, riveted them to the subpanel and installed some screw fasteners to support the rear of the tray.
The SL-30 tray is nice and stout now; i might support the other two trays to it if needed.
