On the p51 60 Mustang the specs say the Center Balancing Point is 4 3/4 in.from the leading edge.Is this at the fusalage
or the wing tip.Is there a rule of thumb or a formula for balansing an aircraft.I am using a magnum xl 90 4/s inverted.I did the measurments
as they said...and that baby is really nose heavy.Do I balance with a full tank of gas or what.

Thanky Much.
Pappy