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Why are dampers an essential element in FBW inceptors?(a) Control aircraft stability by damping forces(b) Acts as a low pass filter on the stick movement(c) Provides accurate deflections(d) To prevent aircraft to carry out critical maneuversThis question was addressed to me by my school principal while I was bunking the class.The question is from Fly-By-Wire Technology topic in portion Fly by Wire Flight Control of Avionics

Answer»

The correct option is (B) ACTS as a low pass filter on the stick movement

Easiest explanation: Without the DAMPER, the stick would be considerably under DAMPED because of the low friction in the mechanism and the significant mass of the hand grip. It provides a smooth feel to the stick movement; the spring–mass–damper combination acting as a low pass filter on the stick movement. These characteristics are carefully tailored to meet the consensus of pilot approval.



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