Fourty is a lot of throw. You can lesson that by narrowing the lines at your handle. If your at three inches go to something less. Over head eights on a fifteen even a 19 basicly is usually the same a 4 2 4 break helps, but still you need more power. You need more power even with shorter lines. Try it in a down wind situation. I only have two Veco planes that have flaps. What size lines are you flying? AJ