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Re: Resonance



Phillip,

Tesla List wrote:

> Original Poster: Philip <shadow42-at-totcon-dot-com>
>
> The coil is 4.5" x 20" #24 awg unloaded I 234khz.
>  Philip

Freq. is too low.  Here is what I came up with. (#24
magnet-closewound-full length)
These are approximates, but should be close.
Bart

Turns ~ 900
Inductance ~ 18.2mH
h/d ratio ~ 4.4
dc resistance ~ 27 ohms
weight of wire ~ 1.28lbs
K ~ 0.76
Cself ~ 8.7pF
Freq ~ 400kHz (unloaded)