Originally Posted by SOOFLY
Thank you for your suggestions! On #3 concerning mounting the rudder mount I really like that idea. I'm not sure I have it completely understood though. I'm visualizing taking plywood and epoxying it together in the shape of a U running the link of the rudder. Mounting this U shaped plywood on top of the elevator using the existing elevator bolts with the open side of the plywood U facing up. Build the U shape plywood opening the exact width of the rudder and insert the rudder into the plywood and secure with bolts running horizontally in relation to the elevator bolts.
Should I revise that in anyway?
That will work. I do it a by adding shims to both sides of the rudder to pad it out to 10 mm, then use plywood plates on each side to connect the assembly to the stick using horizontal bolts through the stick and the rudder. My elevator attached to the bottom of the stick as usual.
Radical RC sells a laser-cut plywood kit that center-mounts the rudder. Look for it in their Hop-Ups section.