> Yes, I knew this would sound a little complicated with swept,delta,body
wing
> aircraft.  But making it the nose really just puts the decision on to
the 3D
> Modeler where to some degree the flight model designer could have a
better
> idea.  Isn't there some way of deriving an average or nominal c.g. that
we
> could just lock in as the fixed point?

I don't really think that the CG (or anything like it) should have
anything to do with a common reference point. I think it should be
something you can readily see. The nose/prop hub tip is about as
unambiguous as it gets. Due to the nature of defining the flight dynamic
model, and the nature of defining the 3D model - both people will know
where nose/prop hub are located.

A question: is all the rotational/translation stuff figured out so that if
a pilot eyepoint is defined that the view will be properly rendered with
that in mind - even when the CG is askew because of fuel burnoff?

Jon

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