I have all the 60 size Yellow Aircraft models and they all fly great. Just build it the way the instructions say and you'll be good to go. the cap flies very good. I have a 91fx in it same with all the other ones. The cap can do any trick in the book and then come in for a perfect 3 point landing every time. I'm still amazed at how lite these things come out and the wing loading is great. I can stall that thing 3 feet of the ground for a second and then give it a little gas and harrier it in. Pick any 60 size or 30 or even the 1.20 and you'll be very happy.