After this I installed the rudder servo plate. This is a phenolic plate and while lite, you need to examine it a bit. I added a small section of ply on top of the plate, and two lenghts of ply below the plate to stiffen it a bit. After marking its location, I glued in some triangle stock, then glued the plate on top of that stock. The fuselage is now VERY Stiff throughout the radio compartment
Jim