Re: Flat bifilar coils

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

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

If you connected the inner turn of one coil to the outer turn of the other, you
increased the self capacitance greatly.   How much, I don't know, but I seem to
remember that a bifilar would helical coil has about four time the self
capacitance as a single wire coil of the same dimension.   
Mike 



>
> The total length of wire was 600 feet and the coil 
> seemed to resonate at 50 KHz, which is kind of weird 
> because a standard helical coil resonated at 
> approximately 500 Khz. 
>
>