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Old 04-16-2019, 12:31 AM   #32 (permalink)
freebeard
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Okay, so 3/4ths the tire height minus the ground clearance, over 1/2 the tire height, I guess. Thanks.

Except the text is talking about the wheel well radius, not the tire radius called out in the illustration. According to this a close fitting cycle fender would have more drag than a looser fitting one?

A tight-fitting Beemer-style lip would isolate the wheelwell more than an open 4x4 wheelwell — that's different than the cavity volume.
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