Quote:
Originally Posted by aerohead
' The main contributions to the drag force originate from the rear part of the body.'
'[L]ow drag can only be achieved when the separation at the rear is eliminated.'
'[I]t is very important to design a rear body surface which brings the divided streamlines smoothly together.'
Wolf Heinrich Hucho, Aerodynamics of Road Vehicles, Second Edition, 1987, pages 61,16,61.
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Yes that was so in 1987, and remains so for normal road cars today.