control reversal

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• Control reversal — is an adverse effect on the controllability of aircraft. The flight controls reverse themselves in a way that is not intuitive, so pilots may not be aware of the situation and therefore provide the wrong inputs; in order to roll to the left, for… …   Wikipedia

• 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 …   Aviation dictionary

• reversal speed — The lowest equivalent air speed at which a flight control reversal manifests itself …   Aviation dictionary

• Reversal Theory — Introduction Reversal Theory [http://www.reversaltheory.org Reversal Theory Website] is a general psychological theory of personality, motivation and emotion in the field of psychology. It was first formulated by British psychologist Michael J.… …   Wikipedia

• Birth control — For other uses, see Birth control (disambiguation). Birth control is an umbrella term for several techniques and methods used to prevent fertilization or to interrupt pregnancy at various stages. Birth control techniques and methods include… …   Wikipedia

• Contraflow lane reversal — in use during Hurricane Rita Contraflow lane reversal refers to plans that alter the normal flow of traffic, typically on a controlled access highway (such as a freeway or motorway), to either aid in an emergency evacuation (the most common usage …   Wikipedia

• Tubal reversal — short for tubal sterilization reversal or tubal ligation reversal is a surgical procedure that restores fertility to women after a tubal ligation. By rejoining the separated segments of fallopian tube, tubal reversal gives women the chance to… …   Wikipedia

• Time Reversal Signal Processing — is a technique for focusing waves. A Time Reversal Mirror (TRM) is a device that can focus waves using the time reversal method. TRMs are also known as time reversal mirror arrays, as they are usually arrays of transducers, but they do not have… …   Wikipedia

• birth control — regulation of the number of children born through the deliberate control or prevention of conception. Cf. family planning (def. 1). [1914, Amer.] * * * Voluntary limiting of human reproduction, using such means as contraception, sexual abstinence …   Universalium

• Bit-reversal permutation — Product of Gray code permutation and bit reversal permutation (4 bit) (The result permutes a natural ordered into a sequence ordered Hadamard matrix.) In applied mathematics, a bit reversal permutation is a permutation of a sequence with… …   Wikipedia

• Thrust reversal — Thrust reversal, also called reverse thrust, is the temporary diversion of an aircraft engine s exhaust or changing of propeller pitch so that the thrust produced is directed forward, rather than aft. This acts against the forward travel of the… …   Wikipedia