Re: Flat bifilar coils

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

Original poster: "Vivek Babtiwale by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dr_vek-at-yahoo-dot-com>

I wound a flat bifilar coil using insulated copper
strips from AlphaCore.

http://www.alphacore-dot-com/market/enter.html?target=Flat_Magnet_Wire__zi10_lb_
minimun_Buyzj.html

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.



--- Tesla list <tesla-at-pupman-dot-com> wrote:
> Original poster: "by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <Xyme3-at-aol-dot-com>
> 
>    Has anyone tried a bifilar coil?  I wound a small
> one 4" in diameter and 
> got a magnetic field from just a 9 volt battery.
> 
> 
>