Quote:
Originally Posted by ConnClark
If you are going to try this remember Airtabs were developed to use on big trucks with a bigger boundary layer due to their length. On a car its more than likely they will be far bigger than they need to be and cause drag.
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According to the Mitsu report, the Airtabs are ideally sized (height wise) for the boundary layer thickness at the rear of the roof (about 30 mm). They're very close to the same height as the fin style VG's Mitsu employs.
That said, VG's are a waste of time for significant (or even detectable) fuel consumption reduction.
There's much lower fruit to be picked elsewhere.