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#11
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What this exercise really does is demonstrate how angle of attack is
decoupled from attitude. It's unfortunate that the concept of pitch control by reference to angle attack is only taught at a basic theoretical level in most gliding instruction - undoubtedly due to the lack of any angle of attack indicator on gliders! (unless you count the pitot mast -mounted yaw string on a 2-33). I really wish there was a simple, reliable and easy to read angle of attack (AOA) gauge available for gliders, optimized for efficient thermalling (no adjustment needed for water ballast or bank angle - unlike airspeed) and safe pattern speeds (instant response to wind gradient and shear; and again automatically adjusts for landing right off tow while still full of water). Then you could use this exercise to show how to drive the AOA way past the stalling AOA while still appearing to be in a level "flying" attitude. Kirk |
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