Quote:
Originally Posted by apgrok1
My understanding is that one would want to minimize the blue area to prevent vacuum (drag). The vortex generators seem to help the air "turn" around the rear window. I still don't understand the tail fairing as that would seem to increase the blue area behind the trunk, unless the fairing allows the pressure behind the trunk to be higher (green).
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Anything that extends the trunk long enough for the flow to reattach will have the effect of increasing the pressure over the rear window and trunk of the vehicule.