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      06-08-2009, 03:22 PM   #55
E90SLAM
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Quote:
Originally Posted by **********s View Post
Please excuse my ignorance here, why does the Brawn car have what appears to be covers on the wheels?
those are wheel shrouds....they were invented around the 2007-2008 season....

the purpose was to smoothen the air flow around the wheel....before the concave the wheel itself creates turbulence and affects overall aerodynamics....

also....you will see some teams have a little duct to channel air to the inside of the wheel....in order to have more cooler air to cool the brakes (well...around 100F air from track temperature in most races...but its cool enough for something like 2000-3000F brake temperature for these carbon ceramics brakes).......
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