Mike Weller wrote:

Not really. You can put 50 pounds 3 feet in front of the zero cg
datum and 50 pounds 3 feet behind the datum and it is the same as
adding 100 pounds at the datum (front seats I guess).

That would be true enough, except that you can't put 50 pounds 3 feet in front
of the zero cg point in most light singles. That would be where the engine is
in my plane.

George Patterson
Some people think they hear a call to the priesthood when what they really
hear is a tiny voice whispering "It's indoor work with no heavy lifting".