Quote:
Originally Posted by Piotrsko
At moderate speeds you could be in an odd transition zone drag wise that could affect total flow. Wouldn't be uncommon.
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Can you address this ' transition zone' comment.
Since 1973, I've never heard, nor read of it, pertaining to road vehicle aerodynamics.
The drag from 'windage'/'ventilation drag' of the rotating wheels will vary continuously with velocity, but that's another matter.