The one thing I do not like about the Kaos models are the Strip ailerons. Mine would always flex and gave poor aileron authority. My Killer Kaos was much better once I installed the servos in the wing, at the center point of the aileron. Here are some better pics of the Sun Fli, I mad the aileron mod to barn door style. This will perform much better. Brand new .65 AX setting up front. Should be great for this plane.