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Re: Building a variable inductor ?



Original poster: "Kurt Schraner by way of Terry Fritz <teslalist-at-qwest-dot-net>" <k.schraner-at-datacomm.ch>

Dan,

what about considering to build a variometer-type inductor? When thinking 
about construction, I guess, any sliding contacts could be avoided.

Cheers,

Kurt

Tesla list schrieb:
>Original poster: "by way of Terry Fritz <teslalist-at-qwest-dot-net>" 
><dhmccauley-at-spacecatlighting-dot-com>
>Just wondering if anyone has built a large variable inductor.  I was looking
>into building a heavy duty one that could be used to tune my coils (while in
>operation) etc...
>I have a few smaller ones (typically 0-20uH wound with 14 AWG wire), but was
>looking to possibly build a large one from PVC with enough stand-off for
>20kV or so.
>Basically it would be the type with the coil and a roller which moves along
>the coil.
>Any tips, hints, appreciated.
>Thanks
>The Captain
>