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Old 07-31-2009, 05:00 PM   #24 (permalink)
Bicycle Bob
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Sharkskin grooves are banned for their ability to maintain laminar flow at an impractical dollar cost. Dimples can help a boundary layer remain attached by starting or adding turbulence to make it thicker. If anybody wants to get around a dimple ban on boats, a few barnacles should do the trick.
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