Quote:
Originally Posted by liquidshadowfox
Does the front grille not being smooth matter at all? Or is that minimal drag that it's not worth it? So what about putting sharp edges on the sides towards the back to disconnect the air from the side of the car?
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* The leading edge radii are adequate enough to guarantee attached flow around the perimeter of the nose. A stagnation bubble forms, and flow diverts around it, quite a bit ahead, as if a 'phantom' nose exists. You'll see this phenomena in virtually all smoke-flow wind tunnel images. So the grille area is kind of a dead-end, drag reduction wise.
* I'd be surprised if you didn't already have separation edges designed into the rear of the car already. The Hyundai and KIA stablemates have them.