Wind-tunnel research comparing lateral control devices, particularly at high angles of attack II : slotted ailerons and frise ailerons (1933)
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I. rolling and yawing moments: (Reference 1.) It is considered satisfactory at all Lift angles of attack except in the burbled region between 20° and 25° when the rolling and yawing moments are relatively unreliable owing to the critical, and often n _Prag n, _ Boiling moment - 0l n , Yawing moment… … Tables.—The complete results of these tests are pre- D, Up-only sented in Tables II to X, inclusive. Figube 2.—Aileron linkage systems Table II covers the following data obtained on the unyawed wing having slotted ailerons of average size' unsymmetrical, condition of the burbled air flow around (25…
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