Re: [TCML] tunning effected by power output

["DC Cox" <resonance@xxxxxxxxxxxx>]

you are creating a huge electrical charged field of ions which acts like an
extension of the toroid thus requiring more
inductance in the primary circuit.

my inexpensive Tesla coil tuner will give you the exact location for max
ouput potential.  It is an RF sniffer with voltage doubler
that feeds an oscope or digital multimeter.

Dr. Resonance




On Sat, Oct 4, 2008 at 2:09 PM, Roger Smith <rwsmith@xxxxxxxxxxxxxx> wrote:

> With my larger coil, I like to tune the primary while running the coil at a
> reduced power so there will be less stress on things if it is out of tune
> but I have noticed that when I go up to higher power after I have tuned at
> low power I get better performance if I move the tap out for one more turn
> on the primary.   This isn't too surprising to me.  The discharge must be
> acting like a top load on the coil but I was just wondering if everyone else
> has noticed the same thing with their coils.
>     Incase it matters, this is a rotary spark gap coil that runs at about
> 12 kva max.  The toroid is rather big,  4' by 1'  .
>
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