critical angle of attack


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critical angle of attack

[′krid·ə·kəl ¦aŋ·gəl əv ə′tak]
(aerospace engineering)
The angle of attack of an airfoil at which the flow of air about the airfoil changes abruptly so that lift is sharply reduced and drag is sharply increased. Also known as stalling angle of attack.
References in periodicals archive ?
There is also an audible "Geiger counter" clicking heard through the headset that increases in speed the closer the SCx shows to the critical angle of attack.
cr] is a critical angle of attack that is characterised by sharp changes in the pressure profile on the blade back, [i.
In high performance aircraft with angle of attack/lift sensors like the King Air 200, Garmin ESP offers low airspeed or stall protection that reduces the probability of stalling the aircraft by providing a gentle pitch-down control force through the control yoke when the aircraft's wing approaches its critical angle of attack.
In high-performance aircraft with angle of attack/lift sensors, Garmin ESP offers low airspeed or stall protection that reduces the probability of stalling the aircraft by providing a gentle pitch-down control force through the control yoke when the aircraft's wing approaches its critical angle of attack.

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