| 摘要 |
A roll bar is provided behind seats of an open car, and there is provided a wind deflector to deflect air flow coming from the vehicle rear during the open-state driving on the roll bar. The wind deflector is configured so as to have air permeability in such a manner that an air permeability rate of its upper section is greater than that of its lower section. Part of air flow passes through the wind deflector, and the passing speed of the air flow passing through its upper section becomes greater than that the air flow passing through its lower section. Accordingly, the air pressure decrease of the upper part of air flow becomes greater, and the whole air flow passing through the wind deflector tends to be directed upward.
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