[Prev][Next][Index][Thread]

RE: Toroid = shorted turn ?



Hi Will,
         I was only suggesting that measuring the k between two 
halves of a secondary coil would show how little coupling there 
really is going on in the resonator. I didn't mean you have to cut 
one to measure Ksys. Sorry.

Malcolm

> Original Poster: "Payne, Will E" <will.e.payne-at-lmco-dot-com> 
> 
> I am surprised and gratified by the many and diverse responses my query
> generated, the list is certainly an educational place to hang out !  Thanks
> to all, and I continue to watch with interest.
> 
> My little NST / SW cap system still gives only 12 in sparks, and I'm
> convinced there are several more fruitful avenues of improvement to pursue
> before the toroid effect becomes significant for my case.  If I get back to
> this point, my first experiment would be to instrument a gapped toroid and
> mount it on an insulated pole in my system.  I might even sacrifice a
> secondary to measure M and k as Malcom suggests, and could then instrument
> the top few turns and drive the primary with a signal generator while
> shorting and opening the toroid gap.  I realize that even if a perfectly
> conducting toroid acts as a 'shading coil' on the top of the resonator, its
> not necessarily a bad thing !
> 
> In the meantime, I will take Richard Hull's advice and ' damn the torpedoes,
> full speed ahead ! '
> 
> makin lil bitty sparks in Georgia
> Will
> 
> 
> 
>