Quote:
Originally Posted by AeroModder
There's just dead air under the Mustang's spoiler there.
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Yes, that was my point, the Mustang fiberglass piece is not a wing at all, yet the Wiki author chose to call the black strip a Gurney Flap. Although not accurate
it is a common mistake, one I made in the title as well.
Not all near vertical strips are Gurney Flaps, however calling a rear spoiler of similar profile is common practice. Perhaps to distinguish it from wings and other profiles. Perhaps another reason for this is that some air does move under a car (or truck) body, and the vortex of swirling air from the rear spolier is having similar aerodynamic benefits to that of a true Gurney Flap on a wing.