RE: GP Super Stearman
In retrospect, I'd do the 4 servo wings unless someone has the magic formula for the exact horn layout for the 2 servo setup.
I'l also put a little thicker wood inside the wheelpant ply plates for the screws. As it is, I'm gonna drill out the wood screw holes about 3/16" or so, and epoxy some dowels in them, redrill and tap fo the woodscrews, then reinforce them with CA. I'm going to look into using #4 screws instead, also.
John