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Old 12-14-2009, 12:36 PM   #7 (permalink)
thatguitarguy
Master EcoModder
 
Join Date: Nov 2009
Location: Leadville, CO
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Maroon Ballon - '98 Chrysler Town & Country LXI
90 day: 26.42 mpg (US)

MaEsTRO - '95 Geo Metro 5spd hatch, 3 cyl
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Separating the forces of the wheel from the vehicle is not very helpful. I think the aerodynamic qualities of the shape of the hubcap, and it's effect on the overall aerodynamics of the vehicle will always be affected by the areas of the car fore and aft of the rotating wheel. A "one shape fits all" approach to flat or convex hubcaps probably won't work, and different shapes and sizes needed for different vehicles will be the case.
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