bell crank

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bell crank

bell crank
A double lever in an aircraft control system used to change the direction of motion. Bell cranks are normally used in aileron controls and in the steering system of nose-wheels.
References in periodicals archive ?
One of the mechs found a FIT rubbing against a bell crank, which eventually could have made a hole in the FIT and started a horrendous fuel spill.
We also noticed that the FIT we had replaced a week ago once again was rubbing the bell crank that sits on the inboard side of the FIT.
This discovery explained the shifting of the engine, as well as the issue we had been having with the FIT rubbing on the bell crank.