From: "Owen Lawrence"
Subject: Re: Capacitor Array
Date: Fri, 15 Nov 2002 23:53:56 -0500
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>> Sounds like fun. But just how many capacitors would you need to make a
>> metal former? Assume the metal is thicker than tin-foil so it at least
>> holds its shape when you pick it up.
>It will do serious metal, not just foil. If you look up coin shrinker
>or quarter shrinker, you should find a coin shrinking fanatic: much
>the same thing will form metal objets. But beware of the dangers: its
>IIRC he was discharging 12kV through I think a 3 turn copper coil. The
>coil exploded each time. I forget te series R, but somewhere in the 1
>ohm region I think.
>> Or to put it another way, say you've
>> got two hundred photoflash capacitors, how big a coil can they drive to
>> reasonably thick metal to bend this way?
>I would imagine that would work well enough. Just try to live ;)
Most of the sites I find on the net are using physically large capacitors.
200 photoflash caps would take up some space, for sure, but I was just
trying to follow the OP's parameters. Personally, I'd rather just make a
smaller toy. As I said, I've got a handful of capacitors, but I can
probably get more of them pretty easily. The guy who owns the photo shop I
use tells me that he sells four or five disposable cameras a day! I'm
amazed! And he only receives ten cents per each to recycle them, so it's no
bother for him to just give them to me.
I'm also impressed with the caps, too. When I opened the case and shorted
them, they took a quite little nip out of my screwdriver! I certainly
respect these devices and have every intention of staying alive.
- Owen -