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Old 05-13-2013, 07:04 AM   #136 (permalink)
sendler
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Honda CBR250R FI Single - '11 Honda CBR250R
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Quote:
Originally Posted by freebeard View Post
why would the drag increase?
Vortex generators increase the energy in the air at the expense of drag. The question always is, does the reduction in turbulence and vacuum acting on the the rear panel of a car outweigh the the energy loss that was used to create the vortices.
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