In an email to me last week, former head of Porsche aerodynamics, Dr Thomas Wolf, puts it this way:
"According to the Coanda-Effect the air follows the curved (upper) surface. According to Newton’s first law, there must be a force which pulls the air downwards. This force is exerted to the air by the car body and pulls the air downwards. According to Newton’s third law (action = reaction) there must be a force of the same magnitude in the opposite direction acting on the body."
Quote:
Originally Posted by aerohead
1) The Coanda Effect has nothing to do with mass- produced passenger cars.
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There he goes again - now Dr Thomas Wolf of Porsche is wrong... but of course Aerohead is right!
On my count that's the sixth professional, highly esteemed car aerodynamicist that Aerohead has said is wrong. And people here pay attention to him? That's just amazing.