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Old 03-03-2023, 03:57 PM   #12 (permalink)
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Originally Posted by aerohead View Post
4) In 2021, the Ford F-150 was analyzed in AirShaper.
5) AirShaper generated a Cd 0.463 for the truck.
6) Ford Motor Company had published Cd 0.404 for that truck.
7) That's a 14.6% discrepancy between CFD and a 'ground-truthed' Ford wind tunnel/CFD value.
I think that AirShaper rounded down, there is no way to get such a value for a dresser-shaped car. Not to be too far from what Ford declare.

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