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Old 08-08-2015, 04:32 PM   #19 (permalink)
aerohead
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Quote:
Originally Posted by freebeard View Post
Typo or full boattail?
If you extrapolate Hucho's drag curve, a drag minimum for the box-cavity is 7.9% delta-Cd, which occurs when the length of the cavity is equal to 42% of the VW's overall body length.Any shorter or longer and the drag is greater.
Boat tails work better
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