Quote:
Originally Posted by aerohead
1) That would imply induced-drag, antithetical to 'aerodynamics.'
2) Downforce isn't an issue with passenger cars, so we'd be wasting energy to fix a problem which never existed!
'Folly' !
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I agree, two main sources of aero drag I see here, induced drag on the car body by maybe adding air where it disturbs the existing proper/acceptable air flow, and rotational air drag of the rotating wheel. Removing under car air for DF is most efficient energy wise achieved passively I believe. A wheel design for such task unfortunately is fixed, and unable to be tweaked as needed for the operating conditions. It was a solution on race cars in late 70's and faded away, for reasons I am uncertain about.