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Re: Tesla coil help

Original poster: "Paul B. Brodie" <pbbrodie@xxxxxxxxxxxxx>

When you use a welder as the limiting inductance, do you wire the primary coil of the welder in series with the pig? Do you simply leave the secondary open? What makes this adjustable? Thanks.
Paul Brodie
----- Original Message -----
From: "Tesla list" <<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx>
To: <<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx>
Sent: Saturday, March 19, 2005 9:41 PM
Subject: Re: Tesla coil help

> Original poster: "Jim Lux" <<mailto:jimlux@xxxxxxxxxxxxx>jimlux@xxxxxxxxxxxxx>
>
>
> ----- Original Message -----
> From: "Tesla list" <<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx>
> To: <<mailto:tesla@xxxxxxxxxx>tesla@xxxxxxxxxx>
> Sent: Saturday, March 19, 2005 3:26 PM
> Subject: Re: Tesla coil help
>
>
> > Original poster: <mailto:motosk8er2@xxxxxxx>motosk8er2@xxxxxxx
> >
> > Ive built many coils before. The transformer is 30ma and the capacitors
> are
> > speicial ones for tesla coil use from
> > <<http://www.amazing1.com>www.amazing1.com>http://www.amazing1.com>www.amazing1.com . Now for a pole big what do
> youe
> > mean a ballast is needed?
>
>
> NSTs are inherently current limited (by the huge leakage inductance). Pole
> pigs are not. You need something to limit the current when running the coil
> so as to manage the power drawn. Typically you do this by putting a big
> inductance in series with the primary of the pig (i.e. the line side). A
> 500 ft spool of house wire is one strategy. Another, more adjustable, idea
> is to use an arc welder (old style, not new inverter type) which uses
> leakage inductance of the transformer to control the arc current.
>
>