Re: Ballasting OBITs

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Luc by way of Terry Fritz <twftesla-at-uswest-dot-net>" <ludev-at-videotron.ca>

Hi Hans

I use 100W bulb in Seri with the OBITS when you want more power put an
other one in parallel with the first
one ... each time you put an other one you put more current in your OBITS.
Before I have my variarc I bring
my coil to tune by this method.

Luc Benard

Tesla list wrote:

> Original poster: "Hans Scholze by way of Terry Fritz
<twftesla-at-uswest-dot-net>" <hanscs-at-eagle.ptialaska-dot-net>
>
> I have read many times that it is good to start at low power levels when
> first firing a new coil, but I don't have a variac.  I am using two OBITs in
> parallel, and I was thinking that I would just make a couple of ballasts for
> 1/4, 1/2, and 3/4 power.  Is this necessary, or would just half-power be
> sufficient?  On my previous coil the only power control was seperation of
> plug and outlet, but I don't want to destroy my new one as I have put much
> more time and money into it.  I have a few OBITs with bad secondaries and I
> thought that if I put one of these in series with each good one, the power
> would be half.  Is this correct, or do the secondaries need to be shorted
> for a reasonable ammount of current to flow?
>
> Thanks for your help,
> Hans