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Old February 28th, 2012, 01:52 PM   #61
JeffM
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Name: Jeff
Location: Sandy, Utah
Join Date: Aug 2009

Motorcycle(s): One

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Quote:
Originally Posted by greenaero View Post
FrugalNinja, Thanks for the suggestion. Kammbacks are good for getting the majority of the aero drag reduction without excessively long boattails . However, for me I'm looking get the the absolute best out my project and the full boattail beats the Kammback. Even though you would think it's much worse riding it in crosswinds, it hasn't been the case. Also in the
Vetter Challenge rules you have to able to easily carry 4 full bags groceries so I just use the long tail's interior space to ensure I have this capability.
Kamm tail aerodynamics are interesting. The theory is that the Kamm tail tricks the airflow into thinking that there is a large boattail behind the airfoil wide point.



Of course something like this would kill the ability to load the required bags of groceries. It is however, interesting to think about in relation to just aerodynamics and mileage.

Jeff
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