Quote:
Originally Posted by aerohead
A typical stamped steel wheel has a windage drag which adds 0.005 to a car.
With spokes,there'd be increased windage since it's a primitive 'fan.'
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I understand the inside of the wheel itself being a big void probably contributes more drag than the spokes, but say you had streamlined spokes instead of the typical rectangular chunks, how much of a difference would that make? Would you be better off with a partial cover (a full cover missing a circle in the middle)?