You write to Kim Saunders:

 KS> Hello, I'm that electronic genius you were refering to.

Mind if we nail your foot to the floor, Kim?  You might come in handy ..

 ..> The ferrite
 KS> will work stacks better than the knot, but the knot is probably
 KS> enough. the ferrite (and probably the knot) trick is used on audio,
 KS> mike and other signal lines. The magnetic properties of the ferrite
 KS> just absorb the high power signals (spikes).

 FF> Thanks for that info Kim.  It's been 20 years since I studied any physics
 FF> or electronics.  I presume the power spike gets converted to a magnetic
 FF> field pulse and then radiates away?

Some sort of low-pass filter, I expect - awaiting the words of genius .. :)
 Tuning it so as not to clobber too much signal would seem to be tricky.

 FF> Ian Smith referred to this as "voodoo electronics".  Would a chook
 FF> force-fed on ferrite, ritually sacrificed, and stuffed in the loop,
 FF> work any better? ;)

Much better - but only for a day or so, in this weather ..

Ian

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