Re: TC primary

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Hollmike-at-aol-dot-com>

JW, 
For small coils(less that 3 inch diam.) a helical coil works pretty well
because they can handle tighter coupling, but for larger than that,  a flat
spiral is usually better in order to limit the coupling.   
Just my two cents 
Mike 


>
> Whats better, a 90 or a 180 degree primary coil??? Or does it even matter? 
>
> I was planning on using 10 GA grounding cable for my coil in some 
> arrangement