Date: Fri, 15 Aug 2003 10:56:26 -0500
Author: Andrew Yue
Subject: Re: jumping ring and induction light
As you have probably already discovered, by raising or lowering the
position of the iron core within the coil, you can fine tune the
To avoid overloading the main breaker, mount a power strip with a
resetable breaker to the table and use a heavy duty momentary switch
to activate the coil.
>Thanks for the help on the broomstick demo. We're having trouble
>with the coil we use for our
>jumping ring demo. Our ring just doesn't go very high. We've tried
>different metals and cooling
>it down with LN2, but we can never get it to go more than a few
>inches. So we've decided to
>make a new coil. Any suggestions?
>Bryn Mawr College
All the best,
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From firstname.lastname@example.org Fri Aug 15 12:00:07 2003