[JN] magik ???

Hans Hedal hans.hedal at post.cybercity.dk
Thu Feb 4 05:44:16 CST 2021

Is it possible to make a mini version of the described type of winding 
I.e. rotating a spool of copper wire through a tiny ring core.
YES - the spinning hoop that travels through the center of the toroidal 
core has become the spool of copper wire:


Den 03-02-2021 kl. 16:42 skrev Hans Hedal via Sound:
> Den 03-02-2021 kl. 01:13 skrev Christian Rintelen via Sound:
>> so cool!!
>> (just in case you’re tired of counting turns: here’s a DIY toroid 
>> winder with arduino control 
>> <https://electricdiylab.com/diy-arduiuno-based-toroid-coil-winding-machine/ 
>> <https://electricdiylab.com/diy-arduiuno-based-toroid-coil-winding-machine/>>
>> ©
>> _ _ _
>> aka christian rintelen
> It is hard to imagine a mini version of this winding machine rotating 
> a spool of copper wire through a tiny ring core.
> For instance I am using a pair of small potted toroidal 1:1 line level 
> isolation transformers in my stereo to mono mixer:
> They are small in size 21mm x 32mm x 32m < 
> https://www.lehle-components.com/media/pdf/25/f6/9f/LEHLE-TRANSFORMER-MZ-Datasheet.pdf 
> >
> Perhaps even smaller toroids are made.
> Could it really be possible to scale down the described type of 
> winding machines to make such small toroid transformers?
> Hans
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