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RE: homemade ferrite torroid
Your steel wire toroid may have a very desirable characteristic for cores,
if the steel wires cannot conduct to each other (varnished or painted), that
is there will be no eddy currents to sap your power and heat the core. I
have use florists soft iron wire for cores but not power transformers. Your
biggest risk is probably saturation. Good luck, and let us know what
happens.
Will
> ----------
> From: Tesla List[SMTP:tesla-at-pupman-dot-com]
> Sent: Friday, October 02, 1998 02:03
> To: tesla-at-pupman-dot-com
> Subject: homemade ferrite torroid
>
> Original Poster: "chris morgan" <crmorgan-at-hotmail-dot-com>
>
>
> My friend and I have been trying to wind a resonably efficient trans.
> but our efforts have been thwarted by the inavalability of a good core.
> All ye had was a peice of 3/8" steel. So I decided to build a toriod.
> I rumaged around until I found some 16gauge galvanized steel wire.
> Basicly, I just wound it around into a circle and covered it
> w/electrical tape. Has anyone built these before? How do they compare
> to bought toroids, especialy in regard to rf chokes?
>
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