Re: Need circuit to magnetize a magnet
- From: Nelson Johnsrud <gop4evr@xxxxxxxx>
- Date: Tue, 06 Sep 2005 03:58:21 GMT
David Bezinque wrote:
I am a high school Physics teacher and I need a circuit to magnetize a magnet. Several years ago, I saw one in a book published by TAB. Unfortunately, I have forgotten the title. I do recall that the circuit had about a dozen LARGE capacitors and an SCR.
I already did a search using Google, Yahoo, etc. I found a few circuits but nothing that gives part numbers or the kind of detail a newbie needs.
TIA David Bezinque
In pursuing another hobby in another life, I used to rebuild antique gas engines, and had the occasional opportunity to rebuild a magneto, and recharge the magnets in it. Do a Google search for "magnet charger" and several good designs will pop up. Not all designs require the caps, but you do need a source of instantaneous high current. Most magnet chargers I have seen are supplied by car batteries, but there are some that run from the AC line. Here are a few samples:
http://www.magnetoparts.com/inst_guides/charger/page1.htm http://www.oldengine.org/members/rotigel/Magnet/ http://www.old-engine.com/magsum.htm
This may also be of interest: http://www.smokstak.com/forum/showthread.php?t=4296
Nels .
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