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Re: 8 kHz Tesla Coil

Original poster: "Barton B. Anderson" <bartb@xxxxxxxxxxxxxxxx>

Hi Boris,

Oh Yes, I thought of that. Last night while playing with this and verifying, I was also looking at the coil heating via high frequency (skin depth). The program wanted at least 8 awg, not 40. Significant difference. I was also looking at a primary with .5uF capacitance. Certainly a high voltage coil with a lot of loss.

Take care,
Bart

Tesla list wrote:

Original poster: boris petkovic <petkovic7@xxxxxxxxx>


Huh,and I would also say this is a very funny design .
Or could it be  Ed is just trying to pull out our legs
there?

Just imagine,for a start,  *immense* power levels the
coil will  be capable of running up to..
0.65 pounds of #40 copper  wire seem not to be heated
one bit while supplying 6' dia. toroid  by adequate
amount of charge..
The sample of a perfect TC match really!
Definitely, expected to be putting  12 footers out in
a long run.

cheers,
Boris


--- Tesla list <tesla@xxxxxxxxxx> wrote:

> Original poster: "Barton B. Anderson"
> <bartb@xxxxxxxxxxxxxxxx>
>
> Ha, very good Ed! Never considered such a high turn
> coil. Duh!
>
> Take care,
> Bart
>
> Tesla list wrote:
>
> >Original poster: Ed Phillips <evp@xxxxxxxxxxx>
> >
> >Here's the design of an 8 kHz TC I whipped up last
> night:
> >
> >Diameter:  8 inches, height: 30 inches
> >
> >101,182 turns of #40 SF wire
> >
> >Wire length 21,327 feet, weight 0.66 pounds, DC
> resistance 2237 2 ohms
> >
> >Inductance 4.1896 henries
> >
> >Self-capacitance 14.5 uuFd
> >
> >Resonant frequency unloaded 20.4 kHz
> >
> >Toroid top load 72" OD, 24" tubing, capacitance
> ~79.2 uuFd
> >
> >Resonant frequency loaded = 8.04 kHz
> >
> >     Who wants to build it?
> >
> >Ed
> >
> >
> >