Re: pairing OBITs

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

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