Thanks Sam. I did one aileron the other night. I used four Dubro heavy duty pinned hinges. I plan on doing the same to the other aileron and was indeed planning on using 2 of these hinges for the rudder. I hadn't decided on three or four for the elevator.

I cut slots at mid-depth (thickness) of the trailing edge of the wing and mid-depth of the leading edge of the aileron and CAed the hinges into the slots. This placed the hinge point at the center of rotation for the control surface. There was enough depth (thickness) on the wing and aileron for this to work well. I will have to surface mount the hinges on the rudder and aileron (I think) because of the thinner material. But, I love pinned hinges. Much more effective control surfaces and much less amp draw.

Let me know how your Maggie flys.

Danny