Re: flat coil ?

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

Original poster: "Chris Swinson by way of Terry Fritz <twftesla-at-qwest-dot-net>" <exxos-at-cps-games.co.uk>

Hi Bart,Paul, all,

I did some calcs on tube wound coils and it looks like inductance is more
with a flat coil ? capacitance looks about the same to the results below.
Frequency is about 220khz with tube wound coil.  Would I expect the flat
coil to work better than a tube wound coil ?

Chris



----- Original Messa>
>   1/4 wave resonance: 117 kHz
>   Effective series L: 54 mH
>    Effective shunt C: 34.6 pF
>     Energy storage C: 40.0 pF
>          Max current: 135% of center terminal current,
>                       at 65% of radius
>           Max V/turn: At 85% of radius
>
> For rim grounded, center hot:
>
>   1/4 wave resonance: 149 kHz
>   Effective series L: 59 mH
>    Effective shunt C: 19.3 pF
>     Energy storage C: 26.7 pF
>          Max current: 180% of rim terminal current,
>                       at 88% of radius
>           Max V/turn: At 85% of radius
>