AllModesR/C, Another potential problem limiting the travel of your ailerons might be the lack of clearance where the torque rods exit the wing right below the threaded control horn area. Quite often a little exacto knife work is needed in front of and right behind the torque rod shaft. Make two angle cuts by both rods and pop out the small triangle piece of balsa so the rods don't bottom out on the surrounding balsa wood. Then follow the rest of the previous given advice.