[sdiy] Magnetic String Actuation

Ingo Debus igg.debus at gmail.com
Thu Sep 8 21:14:07 CEST 2022

> Am 08.09.2022 um 20:48 schrieb rburnett at richieburnett.co.uk:
> You want to keep the field lines confined to a small air gap.  Something like a MnZn ferrite toroid with a piece cut out might work well with the magnetic string placed in the air gap.

Not sure if I understand this right…
A string usually is not magnetised. Close to one pole of a magnet it will be pulled towards that pole, no matter if it’s a north or south pole. In the middle between the two poles it won’t be pulled anywhere at all.

On the other hand, if the string is placed in front of both poles of a horseshoe magnet (as with a humbucker pickup) it will be pulled towards the poles.

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