Quote:
Originally Posted by Cd
If dimples really don't work, why did Audi, VW, and Lexus put them on the underside of their cars body panels ?
( Not being 'smart' with this question guys. I'm really sincere. I want to know why that they would go through all the trouble of adding them. )
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Good question.
From an aero standpoint, dimples don't make sense underneath the car. You can be pretty sure the flow underneath is already turbulent.
Could it be for structural stiffening to prevent otherwise flat panels from oil-canning?
Could it be for favourable acoustic properties?
Could it be a styling exercise that looks neat-o and gets the nerdy people excited? (proof: we're talking about it!)
Wouldn't it be great if we could actually ask the designers/engineers questions like these?