Diametrically magnetized ring.

But if is more practical fit a square or rectangular magnet, no reason for don't use.

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I find the working gimbal angle is rather small only in ch throttle, but I think it is about 150 degrees.


The working angle is the angle that potentiometer turn, no way to be 150º because potentiometer used by CH have the resistive trail limited to ~30+30º. smile