RE: [TCML] toroid discharge

[Jeff Behary <electrotherapy@xxxxxxxxxxx>]

Nicholas - 
With most coils, the charge doesn't last long.  I've made some wax-impregnated coils though (cylindrical and pancake both) where the wax acts a bit like an electrophorus when the coil is switched off.  A few times I've gotten a surprise reaching for a coil, picking it up at the top load and then reaching for the bottom of the coil to carry it.  Its nothing like the shock of a leyden jar, but will still make you jump a bit if you're not expecting it!  I saw this on heavy-resined/lacquered coils too.
 
I've also noticed my cat Io with this effect.  She likes to walk inbetween the coils that I litter our spare room with, and one time she got a little spark to her tail as it whisked around one of the forms.  It couldn't have been more than a residual static charge, but it was enough for her to notice it and not like it.  She stuck her ears back and ran off meowing, annoyed.  
 
Jeff 
 
> Date: Fri, 1 Aug 2008 15:03:09 -0500> From: ngoble@xxxxxxx> To: tesla@xxxxxxxxxx> CC: > Subject: [TCML] toroid discharge> > I know that the toroid is a capacitor, so does it hold a charge after I > turn the coil off? Will it discharge when I touch it?> > Thanks> > Nicholas Goble> _______________________________________________> Tesla mailing list> Tesla@xxxxxxxxxxxxxx> http://www.pupman.com/mailman/listinfo/tesla
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