Shielding upper wheel surfaces boosts the propulsive efficiency of wheeled vehicles in headwinds, especially bicycles. Cyclist safety is also enhanced using Upper Wheel Fairings, as increased tire traction helps the cyclist retain control in crosswinds.

Road testing is essential to confirming the performance gains that can be expected by using our innovative Upper Wheel Fairings. Thus far, measured gains in speed have ranged from three to over 20 percent. As discussed below, a number of tests have been already been conducted, with further testing forthcoming. And as discussed below, the mechanics of drag on wheeled vehicles is considerably more complex than for low-speed flight vehicles, making wind-tunnel studies of some ground vehicles problematic.








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