speed reversal
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Speed limits in the United States — are set by each state or territory. Speed limits in the United States vary according to the type of road and land use. These speed limits do not exceed eighty miles per hour. Increments of five miles per hour are used. Additionally, these limits… … Wikipedia
Reversal film — A single slide, showing a color transparency in a plastic frame A slide projector, showing the l … Wikipedia
reversal speed — The lowest equivalent air speed at which a flight control reversal manifests itself … Aviation dictionary
Film speed — is the measure of a photographic film s sensitivity to light, determined by sensitometry and measured on various numerical scales, the most recent being the ISO system. A closely related ISO system is used to measure the sensitivity of digital… … Wikipedia
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
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
aileron reversal — An adverse effect when an aircraft rolls in the reverse direction of the aileron input. This can be caused by the following: i. Aerodynamic twisting of the wing caused by ailerons as speed is increased, which may reduce, neutralize, or reverse… … Aviation dictionary
Constant speed propeller — Cutaway constant speed propeller hub … Wikipedia
Constant Speed Drive — Mechanism CSDs are mainly used on airliner and military aircraft jet engines to drive the alternating current (AC) electrical generator. In order to produce the proper voltage at a constant AC frequency, usually 3 phase 115 VAC at 400 Hz, a… … Wikipedia
divergence speed — The lowest IAS (indicated air speed) at which aeroelastic divergence can take place. It is the lowest speed at which the rate of change of aerodynamic deforming forces exceeds the rate of change of elastic restoring forces, or couples. It is the… … Aviation dictionary
electric motor — motor (def. 4). [1885 90] * * * Introduction any of a class of devices that convert electrical energy to mechanical energy, usually by employing electromagnetic phenomena. Most electric motors develop their mechanical torque by the… … Universalium
