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3 Comments
- maxgladwell, on 01/17/2009, -0/+1It's not a matter of smooth. Think about this. When the air hits the dimples, it forms turbulence. Picture swirls of air circulating at the surface of the material. All subsequent air passes over the turbulence...not the surface of the car, which has much more drag than the turbulent air. So it forms a pocket of swirling air on every surface, thereby reducing the drag. That's the theory, and the results so far appear to be validating it. There's more to it with the effect of the wake, but we're not a physicists.
- MorganMghee, on 01/16/2009, -0/+1I have to agree with dirknerpin. While the initial image conjured by imaging relieving the downward pressure and thereby the weight to be moved by the engine, it is quickly set aside when remembering aerodynamics.. smooth is better. But I'd love to be wrong, so dugg.
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