Best $100 plane there is. There are 3 in my club. I built 2 of them. Mine flies on a 20 year old OS .40 FSR that I rebuilt for it. It will go vertical without a problem. I also moved my batter pack behind the wing by cutting a hatch in the bottom of the fuse and building a little box back there for it. Improves the characteristics of the plane 100% (compared to the other two I have seen) without adding extra weight.