Frequency Splitting (Was: Tc first start)

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "C. Sibley" <a37chevy@xxxxxxxxx>

Dr. Res,

What is frequency splitting as you mentioned below?
Ne term to me...

Curt.


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

> Original poster: "D.C. Cox" <resonance@xxxxxxxxxx>
>
>
> Most coils only produce short sparks on fire-up.
> Don't get
> discouraged! This is normal!!
>
> Using a small wire taped to your toroid you can
> check the distance to
> a ground stand to see the max spark distance.
>
> Next, the tuning process begins.  You should always
> start with a
> "scrap wire" primary of 20-25 turns so you can
> investigate a wide
> range of primary inductance to bring your system
> into
> resonance.  Start at 3 turns out and keep moving the
> tap out as you
> check each turn for "best resonance point".
>
> While doing tuning, keep your total sparkgap tight,
> usually around
> 0.100 inches.  This will prevent high outputs which
> could damage your
> secondary coil if it's out of resonance with the
> primary coil.
>
> Also, be sure to never exceed 30-35% on your variac
> setting.  Again,
> keep this low until you get your primary in
> resonance with your
> secondary.  The best resonance point at these tight
> sparkgap and
> variac settings may only produce a spark 3-5 inches
> long.  This is normal.
>
> After finding the proper primary number of turns for
> resonance, now
> you can open up the sparkgap total setting to 0.180
> or 0.200 inches
> max setting. Then you can run the variac up to a
> higher level, ie, up
> to 100% and keep moving your groundstand back to see
> the longest
> striking distance.
>
> After the above tuning procedures you will be
> hitting longer sparks,
> and at this point you can replace the scrap wire
> primary with a #6
> bare copper wire primary (like Home Depot #6 AWG
> ground wire) held in
> place with plastic holders.
>
> If your coil has a sec. coil of more than 4 inches
> dia. then a flat
> spiral primary is always the best setup.  Using
> angle primaries can
> produce overcoupling and frequency splitting which
> leads to serious
> problems causing sec coil damage.
>
> Set up your scrap wire primary and let us know how
> it's
> working.  also, specs on what you have would be
> helpful.
>
> Dr. Resonance
>
>
> ----- Original Message ----- From: "Tesla list"
> <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Monday, February 13, 2006 10:05 AM
> Subject: Tc first start
>
>
> >Original poster: "Adriano Mollica"
> <adriano.mollica@xxxxxxxxxxx>
> >
> >Hello to everyone,
> >
> >this week end i did the first start to the tesla
> coil i built.
> >
> >Of course it doen't work...
> >
> >too b
msnip...