I know that a nose heavy plane will want to pitch down to the ground alot and that a tail heavy plane will fly squirrley. But what Im really looking at finding out is how the C.G. affects different maneuvers. From reading posts on RCU I know that for more sport/pattern flying you want it towards the nose and for 3D you want it aft. But I don't understand why this is the way it is, could someone go into detail to help me figure this out. This whole question stems from the fact that my Hangar 9 Twist .40 is horrible in knife edges, it drops altitude quickly if I dont add enough rudder but if I add too much it wants to roll hard towards the canopy. I came across a post that said moving the C.G. forward will help a plane knife edge better. The C.G. range on the Twist is 4-5", I have mine set at 4.75" and it fly's really nice, just a tad bit of elevator on inverted, but as I said before knife edge's are horrible. I know that certain planes have their qualities and the Twist may not really have the features or aerodynamics to do this maneuver but Im just really looking to dig a little deeper in the center of gravity subject. I've heard once that you could call the Twist a Jack of all trades but a master of none and its a fitting description. Also for those of you who have or flew a Twist what are some of you comments on the Knife Edges and so called 3D capabilites?