Quote:
Originally Posted by jamesqf
Question for the aerodynamics experts: I've been reading arguments about windows down vs A/C, and just had a thought. You have a high pressure area somewhere at the front of the car, and a low pressure area at the rear. Suppose you take some - potentially a lot more than current vents supply - air from the front, and direct it through the car. You get the same cooling effect as rolling down the windows (if not a good deal more), some "wind in your face" effect a la convertible, no frigid breeze as with A/C... and it seems you'd actually reduce overall drag.
Make sense? Or am I missing something?
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It could certainly provide plenty of air, but to get enough to measurably reduce drag you'd have to have a LOT of air moving through the passenger compartment, way more than would be comfortable. Plus, you'd have to have very large inlet and outlet ducts, like half the area of the instrument panel and back seats.