Hi friend, I fly a 73ins high wing model, it comes out at 10lbs and i have a zenoha 20cc up front and lots of power, to much in fact . A video can be seen at glens models. That is www.glens models .com there are 2 vids one the 20cc and one 46cc or 45 not sure on that one. But the 20cc performance is fantstic HAPPY LANDINGS. Bill.