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Wind Tunnel Testing

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Old Mar 7, 2008 | 07:19 AM
  #21  
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Originally Posted by t.vo408,Mar 7 2008, 08:02 AM
More air under the wing is good. Although some down force is created by redirecting the air and pushing it upwards most if created by the pressure difference between the top and the bottom of the wing. More air under = faster velocity = lower pressure, while above the wing has higher pressure. And since everything goes from high to low the wing wants to be pushed down.

I'm not going to pretend to be an expert in aerodynamics but wouldn't the downforce caused by the "faster velocity" be greater than what can be produced by the higher pressure above the wing that is also countered by the upward air movement caused by the air under the wing?

Maybe these guys are mis-informed
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Old Mar 7, 2008 | 07:50 AM
  #22  
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I am no expert in aerodynamics either. And I'm not really sure what you meant. But I did run quick Google search and it seems there is no definite answer to which principle (Bernoulli=pressure diff. Newtonian=force of redirected air) creates more lift/down force.

And it looks like that Audi has a lot cleaner air and the same effect can be had with the Evo if you just raised the streamlines upward a little bit. Another thing is that the higher the wing is the cleaner and faster the air is; because the evos rear windshield angle creates turbulence and slows down the air lowering the wing would lessen the amount of down force created. And Mitsuu knows that the rear windshield created turbulence too so they created the vortex generators to try and reduce it.

Again, I'm no expert but I do like to talk out of my ass and read books.

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Old Mar 7, 2008 | 08:22 AM
  #23  
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i think he means that there would be more downforce created by air pushing down on the wing rather than pushing up on the wing from under.....in a nut shell, obviously its not that simple...
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Old Mar 7, 2008 | 08:33 AM
  #24  
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thoughs are some cool pictures
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Old Mar 7, 2008 | 09:21 AM
  #25  
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Originally Posted by t.vo408,Mar 7 2008, 08:50 AM
I am no expert in aerodynamics either. And I'm not really sure what you meant. But I did run quick Google search and it seems there is no definite answer to which principle (Bernoulli=pressure diff. Newtonian=force of redirected air) creates more lift/down force.

And it looks like that Audi has a lot cleaner air and the same effect can be had with the Evo if you just raised the streamlines upward a little bit. Another thing is that the higher the wing is the cleaner and faster the air is; because the evos rear windshield angle creates turbulence and slows down the air lowering the wing would lessen the amount of down force created. And Mitsuu knows that the rear windshield created turbulence too so they created the vortex generators to try and reduce it.

Again, I'm no expert but I do like to talk out of my ass and read books.

I guess we have that in common...talking out of our ass that is.
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