Re: [TCML] Trying another coil after 42 years

[DC Cox <resonance@xxxxxxxxxxxx>]

I offer free plans for a nice small coil.

Contact me off-line.

Dr. Resonance




On Fri, Oct 1, 2010 at 6:54 PM, Bill Washburn <billwashburn@xxxxxxxxxxx>wrote:

> I'm retired at 63 years of age after 40 years of computer systems analysis.
>
> My BS is in applied mathematics after starting out with two years in the
> physics program.
>
> I am now still doing my ham radio and studying physics.  As you may have
> guessed many things have changed in 40 years.
>
> Now I'm closely following the CERN LHC particle synchrotron in Switzerland.
>
>
>
> When I was a youngster I built a small Tesla transformer with an old
> Model-T
> spark coil and a capacitor made of a piece o glass with tin-foil
> electrodes.
>
> The primary was two inches or so in diameter and the secondary was one inch
> or so at about six inches in height.
>
> It performed well.
>
>
>
> I'd like to recreate this same coil but with a 555 timer source or some
> other small AC source.
>
> The old glass and wooden stuff would go but the same general size of 6" x
> 6"
> would stay the same.
>
>
>
> Can you tell me (on the heavy side to allow for mistakes) roughly what
> power
> in watts at about 45KHz (or whatever frequency you would recommend) would
> be
> enough for a toy like this?
>
>
>
> Thanks so much, Bill Washburn
>
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