I'm in the process of bashing my 4* 40 a bit. Started out by wanting to redo the hinges and it's turned into a project. I've already rebuilt the tail surfaces out of 1/4" balsa and thrown away the solid balsa crap. I enlarged the elevator and rudder and also counter balanced the rudder. My next project is the wing. I'm going to rebuild/enlarge the ailerons and put wingtips on. I had already taken off a bay on each side of the wing and I LOVE the way it flies. My question is about the wing tips. I don't really want to make the wings any larger. I was thinking about taking part of a bay off of each side. I'd take off the width of the tip so that the wing would be no larger than it is now. What do you guys think?