Thread: CdA list
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Old 04-24-2008, 11:01 AM   #12 (permalink)
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One thing I noted though. In every single case where the frontal area was stated, the 0.81 correction factor on h * w you used gived an overly optimistic figure.

I recall reading a post by phil, must have been of of his aero seminars I'll have to search a bit, where he said to use 0.87 or 0.85, can't remember exactly.

Edit: it was
Frontal area can be approximated by multiplying your vehicles width times its height,times 0.84.p
from Aerodynamics Seminar # 6 - by Phil Knox
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