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Re: lift requires vortices

At 01:34 PM 8/11/99 -0400, Chuck Britton wrote:
In fact the upper parcel of air reaches the trailing edge BEFORE the
slower, lower side parcel does.

I suppose that having the two parcels NOT come back together is what
gives rise to the vortex creation??

Yes.

For more on this, see
http://www.monmouth.com/~jsd/how/htm/airfoils.html#sec_vortices