Principles of Flighthard#593

Frise ailerons reduce adverse yaw by:

Exposing the leading edge of the up-going aileron below the wing to increase its drag, balancing the drag of the down aileron

Correct

Moving differentially only

Using a balance tab

Being mass balanced

Explanation

The Frise aileron's sharp leading edge protrudes below the wing on the up-going side, creating additional drag to balance the induced drag on the down-going side.

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