Quote Originally Posted by jiott View Post
OK, that makes sense. So you have two opposite things occurring: More weight aft of the mains is destabilizing but a longer wheelbase is stabilizing. I can see why it may be hard to predict what the overall effect will be, as Chuck said.
Back in my heyday building experimental airplanes, I saw a lot of guys who moved their gear forward to eliminate the nose-over tendency just to find they had created themselves a real monster to control. A good example, look at a sailplane, the wheel is just about on the cg. Did you ever hear of anyone ground looping a sailplane?