flexural aileron flutter

A flutter caused by the movement of the ailerons lagging behind the rise and fall of the outer portion of the wing as it flexes, thus tending to increase the oscillations. Mass balancing of the ailerons prevents this type of flutter. The positioning of the mass balance weight must be closer to the wing tip. Alternately, the weight can be distributed along the whole length of the aileron in the form of a leading-edge spar.

Aviation dictionary. 2014.

Look at other dictionaries:

  • torsion flexural flutter — The tendency toward aileron control reversal in flexible wings. The deflection of control surfaces produces a large amount of camber at the rear of the section. This causes the resultant lift force to move rearward, thus tending to twist the… …   Aviation dictionary

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