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Aerodynamic
considerations about the center of pressure make it desirable to have
a front wheel with 50% or more of open space. This configuration also reduces
the influence of cross winds on steering forces. At the rear this constraint
is removed and better aerodynamic drag performance may be obtained with a disc
wheel.
The insert shows the rear wheel of the Lotus sprint bike
that has a full disc form. In this bicycle design, aerodynamic drag was further
reduced by cantilevering the rear axle from the composite frame. This
was also done at the front, where the
'fork' was reduced to a single aerodynamic blade. |
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