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Re: Natural RF suppression?



>Original Poster: "D.C. Cox" <DR.RESONANCE-at-next-wave-dot-net> 
>
>to: Gary, Bart
>
>I'be said it several times before and I'll say it again --- never use
>aluminum in any sparkgap design.  It will not conduct RF currents 
anywhere
>nearly as good as brass or copper materials and will greatly reduce 
your
>overall peak current. 

The resistance of the metal fixtures in a rotary spark gap are 
negligable compared to the primary so, Cu brass or Al, should make no 
difference.  if it is noticable then the primary is simply poorly design 
with regard to the primary Z value.

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