Transcription of Flightlab Ground School 7. Longitudinal Dynamic Stability
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Flightlab Ground School 7. Longitudinal Dynamic Stability
Bill Crawford: Ground School7. Longitudinal Dynamic StabilityCopyright Flight Emergency & Advanced Maneuvers Training, Inc. dba Flightlab , 2009. All rights Training Purposes OnlyIntroduction to StabilityStability is the general term for the tendency ofan object to return to equilibrium if Stability is an object s initial tendencyupon displacement. An object with an initialtendency to return to equilibrium is said to havepositive static Stability . For those blessed with aconventional pilot s education, the concept ofstability normally evokes the textbook image ofa marble rolling around in something like ateacup, as shown in Figure airplane can t be trimmed unless it haslongitudinal (around the y axis) staticstability in other words, unless pitching forcestending to equilibrium are pr
Longitudinal Dynamic Stability Bill Crawford: WWW.FLIGHTLAB.NET 7.3 the stick. Figure 4 shows the variation in angle of attack, α, over time. The aircraft quickly
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