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Spoiler efficiency

KenC

Active Member
Sep 4, 2018
4,224
3,922
Maine
According to unplugged performance, their CFD analysis indicates that the OEM spoiler reduces drag by 2.3% and increases downforce by 34.7%! The total drag coefficient was reduced by 0.005.

Shocked? Yeah, I was since I figured minimal increase on downforce, some small reduction in drag. Here's a link:
Independent Aerodynamic Study of Tesla Model 3 by Unplugged Performance
 

Zoomit

Active Member
Sep 1, 2015
2,293
4,489
SoCal
According to unplugged performance, their CFD analysis indicates that the OEM spoiler reduces drag by 2.3% and increases downforce by 34.7%! The total drag coefficient was reduced by 0.005.

Shocked? Yeah, I was since I figured minimal increase on downforce, some small reduction in drag. Here's a link:
Independent Aerodynamic Study of Tesla Model 3 by Unplugged Performance
I somewhat believe the drag and Cd reductions but don't pay any attention to the downforce increase. They never say what it's in reference to, so it could be a very pointless 2 lbs or something.
 
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