Quote:
Originally Posted by M_a_t_t
In "Throttle stop drag testing - including new design front air curtains" (a few posts above) you said a 8% decrease in drag with the edgarwit air curtain. What was the math behind that calculation? Is it only based on the speed change or did you need other factors to calculate that?
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Have a look at the two videos shown in Post #1 of this thread. The first one is long (20 min) but it gives the needed background to understanding the technique. The second one shows the calculation you asked about.