Flat surfaces generate lift just as well as curved surfaces. You need to find some experemental evidence that quantifies the forces and the derection in which they act. Without numbers I am afraid you do not understand the matter/problem before you.
What you need to know is HOW Allerts' bike works so well.
My next iteration of the rear cargo "box" will have curved surfaces...
Last edited by redyaris; 08-28-2011 at 10:11 PM..
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