Quote:
Originally Posted by Rokeby
The issue here isn't the shape of the cooling air exit opening. It is the most
effective -- or least harmful -- direction for the air to be moving as it passes
through the belly pan.
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That makes perfect sense. You need that arc to ease the angle of airflow into the air traffic flowing under the car.
Quote:
There is another interesting element in the picture, the vertical air dam in
front of the exit opening. I suspect this is to make a low pressure area
behind it for the exiting cooling air to fill.
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Yes, i didn't notice that on first glance. Although it would seem to me that a curved piece would be better than flat in almost any case. But experts please chime in.