control reversal

i. The situation in which the effect of control deflections is opposite what is desired or normal. It may be caused by a mechanical malfunction or aeroelastic distortion of the airframe—more often the latter. The most common phenomenon is aileron reversal. See aileron reversal.
ii. Aileron reversal also occurs in some aircraft at very low speeds. The descending aileron increases the angle of attack of that portion of the wing, causing stall of the wing that should be moving upward, causing it to drop.

单词	control reversal
释义	control reversal control reversal i. The situation in which the effect of control deflections is opposite what is desired or normal. It may be caused by a mechanical malfunction or aeroelastic distortion of the airframe—more often the latter. The most common phenomenon is aileron reversal. See aileron reversal. ii. Aileron reversal also occurs in some aircraft at very low speeds. The descending aileron increases the angle of attack of that portion of the wing, causing stall of the wing that should be moving upward, causing it to drop.
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