Earlier, (Jay) wrote:

Okay, why don't you start off by
showing me how span comes into the
relationship of air moving over a
wing's airfoil.

That's generally covered in what they call "Theory of Finite Wings."
There's a chapter on it in Abbott and Doenhoff. This Desktop Aero page
is a good introduction to the topic:

http://www.desktopaero.com/appliedae...ingmodels.html

Bob K.