Re: pairing OBITs

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

Original poster: "colin.heath4 by way of Terry Fritz <twftesla-at-qwest-dot-net>" <colin.heath4-at-ntlworld-dot-com>

this must be the case as the obits iv used arced from kick back three times
and sare now dead
but onlt the small twin output units the single output units aout the size
of an nst are very hardy
colin heath

----- Original Message -----
From: Tesla list <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Friday, February 08, 2002 6:51 PM
Subject: Re: pairing OBITs


> Original poster: "Luc by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<ludev-at-videotron.ca>
>
> Hi list,
>
> I share the experience of Weazle here I use some of them with no
> protection and PARALLEL TO THE CAP even with an ARSG and it
> refuse to die. I remember in one of my first coil I depotted one
> put it under oil ( I had no safety gap ) the OBIT arc under oil
> from kick back but this one is still alive. May be OBIT are
> better construct here in Canada ;-)))
>
> Cheers,
>
> Luc Benard
>
> Tesla list wrote:
> >
> > Original poster: "J. B. Weazle McCreath by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <weazle-at-hurontel.on.ca>
> >
> > Hello Coilers,
> >
> > To quote a post from earlier today:
> >
> > >
> > >It's a small, cubish (about 6x6") 120VAC to 10kV/23mA transformer. The
name
> > >"Obit" (actually O.B.I.T.) comes from Oil Burner Ignition Transformer,
as
> > >this is what they are designed for. They are commonly found on old
furnaces
> > >that burn oil (and I've seen them on large gas-fired boilers a few
times as
> > >well). They are freakishly delicate and don't last long, furtunately
they're
> > >cheap and abundant if you know where to look. They are the only step
down
> > >from a standard NST, and not nearly as rugged (NSTs are fairly delicate
as
> > >it is), they do have the benefit of being internally current limited.
> > >
> >
> > I beg to differ about them being delicate!  I've run them on my number
> > one and two coils for many years with only ever having blown one, even
> > when abused by having a resonant cap!!  Mind you, I ALWAYS use a Terry
> > filter and properly set safety gaps which likely is responsible for my
> > set of OBITs having a long life.  I have run as many as 6 in parallel
> > with no problems whatsoever.
> >
> > 73, Weazle, VE3EAR/VE3WZL
> >
> > Listening: 147.030+ and 442.075+
> > E-mail:    weazle-at-hurontel.on.ca
> >            or ve3ear-at-rac.ca
> > Web site:  http://www.hurontel.on.ca/~weazle
>
>
>
>