Herb wrote:
...find the cg that gives you good handling and
enough up elevator to stall the plane in a steep turn. It'll be at
75%-90% aft.

Herb, J7

Reminds me of the old rule of thumb, if you could call it that:
CG too far forward, can't pull the nose up for takeoff.
CG too far aft, can't recover from a stall/spin.

This method can be expensive in airplanes though... :-)

Brian W