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Re: [TCML] coin shrinking



I was thinking of getting some hockey puck diodes, if I can find them, to
cope with the reversal voltage.
Maybe putting some caps in series for a higher voltage would be a good idea
to prevent the contacts of a high voltage switch from welding together.


2013/10/27 David <drieben@xxxxxxx>

> I believe the Geek Group built a quarter shrinker comprised of multiple
> large electrolytic capacitors that worked. It's my understanding that the
> dV/dT is much better for this though, with the higher voltage pulse caps
> (say like 10's of kV at 10's or 100's of uFds.) And as you've stated, the
> voltage reversals can be problematic for electrolytics. But since you
> already have them....
>
> David Rieben
>
>
>
>
> Sent from my iPhone
>
> > On Oct 27, 2013, at 6:26 AM, Mark X2 <susax2@xxxxxxxxx> wrote:
> >
> > Hi guys,
> >
> > recently I've purchased 50 6800uF 350V electrolytic capacitors and I was
> > wondering if I could use these in a capacitor bank to shink coins. I know
> > the reverse voltage may pose a problem, but I know there are ways around
> > this. Tips or ideas are very welcome.
> > Regards,
> > Mark
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