Re: variac brush

["J. Kooiman" <jkooi-at-wish-dot-net> (by way of Terry Fritz <twftesla-at-uswest-dot-net>)]

Hi Jorge Fuentes

At my work we've got several different variacs that I sometimes pick one out
and repair for myself (otherwise they would be thrown away)
and I've seen sevral variacs with  the same specs as you have described, the
contact brush sounds OK, but when sanding the wire, don't take off too much,
this will decrease your variacs max amp. usage.

after sanding the contact point of the copper circle, make sure it is well
cleaned to prevent shorting out the thing.

greetings from Jeroen Kooiman.
web: http://ww.crosswinds-dot-net/~jeroenk

> Original poster: "Jorge F." <jorgetesla-at-hotmail-dot-com>
>
> Hi,
>
> Im trying to fix my variac, I got thit item at e-bay but upon inspection i
> found one of the windings was shorted, so i removed the damaged part and
> replaced it with new windings, reduced the new wires with a small sander.
> I was also looking at the brush but I´ve never seen one,I dont know if its
> worn down, the brush is triangle shapped with a flat contact.
> Could someone provide pointers.
>
> BTW: I was reading this book called The Elegant Universe and I came to a
> phrase that I think describes very nice the output of a Tesla Coil
> "The Resonant Patterns of Vibration"
>
>
> Jorge Fuentes
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