Quote:
Originally Posted by Tahoe_Hybrid
how is that aero when it's sticking out 1/2" or so
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'Sticking out' is an advantage.The convexity of the disc returns a lower drag than a flat disc,even though it aggravates frontal area.The technology dates to the WW-I Curtiss JN-4 'Jenny',of which the wheel covers became the inspiration for the 'MOON' wheel discs.