OK..........how about this for (simple) explaination?

"Climbing in descending air" (that's what I get from all of the
complicated explainations of down wash, vortex etc.)

I think that if we compared a motor glider climbing at say 50 MPH and
500 FPM to the same glider on tow at the same climb angle and rate,
and if we assume the air behind the tow plane is moving
downward..........

Then the glider on tow would have a larger AoA.....???


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