What sets the RV-9/9A in addition to other RV patterns? Inside of a word, the wing. It is longer and narrower when compared to the wings from the RV-4/6/8 sequence and utilizes a Roncz airfoil that’s exclusive to this design. The elevated span enables it to climb very well on minimal power and glide a long way. The flaps are a protracted-span, sl… Read More