flap, I wasn't refering to your post at all actually, just stating my opinion. I have only flown one Quarter scale cub, and it was the balsa USA kit on both wheels and floats. It had an OS 120 in it. I liked it so much, I bought one, but mine has a Saito 180. It is a great flying plane, but there are a few slow charecteristics that are not the best. It doesn't detract from anything about the plane, just not as stable as some at speeds right at stall. I like the plane though. Haven't done the large one you are talking about. Will have to watch for one around here.