Quote:
Originally Posted by Phase
Here we go with the convex form which modern cfd says it’s not as good as flat covers and why automakers are using flat covers now. It’s also tire dependent. If you have flush aero tires then flat covers make more sense than a bubble looking tire from the 1960s
Air curtains and flat wheel covers work together
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Almost any form vs perfectively flat will increase the items rigidity. That extra rigidity will reduce any likelihood of flutter which aero wise will be a negative. Or the items thickness/weight could also be the solution to head off flutter. I think a rotating unsprung wheel at speed on a typical road surface would-be a favorable 'situation to help initiate possible flutter in these situations.