Re: Requiem for a Piglet: I am a murderer

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

Original poster: "D.C. Cox by way of Terry Fritz <twftesla-at-qwest-dot-net>" <resonance-at-jvlnet-dot-com>


Dave:

If you damaged a 25 kva xmfr and you do need another, I have one 25 kva unit
that was accidently delivered with all of our 10 kva units.

Same $85 as for the 10 kva units.  It is physically larger than the 10 kva
units.
Dr. Resonance




----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, September 09, 2002 11:55 AM
Subject: RE: Requiem for a Piglet: I am a murderer


> Original poster: "Dave Hartwick by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <ddhartwick-at-earthlink-dot-net>
>
> Terry, Ken, All,
> Here's the failure scenario:
>
> I had performed perhaps 7-10, 1-2 minute runs at various power levels,
> experimenting with various toroids, fine tuning along the way.
>
> Prior to failure, the system was in good tune and I was cranking it up
> fairly high. I do not have an ammeter in line, so I don't know the current
> flow, but I did trip the 240 v, 30 amp breakers a few times. Note that I
> have the connections to the variac's taps selected so that some voltage
step
> up is obtained at near maximum settings--280v being about the max, I
think.
>
> I have a standard 3 electrode safety gap, with center 'trode connected to
RF
> ground. BUT!!! this morning I discovered that the clip lead connecting
this
> electrode to RF ground had slipped off.
> Maybe I kicked it without knowing, but obviously the safety gap was not
> draining the few primary strikes to ground.
>
> Also, I do not have any portion of my piglet grounded. I believe this is
> standard practice.
>
> Anyway,  the breakers tripped for the last time, and that was it. Based on
> Ken's measurements, it does seem that my winding DC resistance
measurements
> are abnormal.
>
> I guess I'll have to drain the oil and pull the core; but I wonder if this
> is worth the effort.
> The malfunction will have to be fairly obvious and accessible if there is
to
> be any hope of repair.
>
> If I cannot effect repair, I wonder if T&R would be willing to take the
unit
> back for some credit towards another? I'm probably dreaming. Maybe I
should
> just build an MOT supply, but from others experiences, it seems like these
> are difficult to tame.
> Dave
>
>
> Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>
>
> Hi Ken,
>
> Me thinks that you meant "325 Ohms across the "secondary"" and "0.061 Ohms
> across the "primary"...  Of course, "coilers" tend to reverse the meaning
> of primary and secondary from what the true pig users mean...   I guess we
> all understand the meanings here...
>
> We must keep are heads during this tragedy...
>
> Cheers,
>
> Terry
>
>
> At 12:28 AM 9/8/2002 -0500, you wrote:
> >my polemount transformer measures 325 Ohms across the primary, secondary
is
> >0.061 Ohms across the 240 volt winding. It's a 10kVA 14.4kv unit and has
> the
> >standard aluminum coils.
> >
> >KEN
> >
> >
> >----- Original Message -----
> >From: "Tesla list" <tesla-at-pupman-dot-com>
> >To: <tesla-at-pupman-dot-com>
> >Sent: Saturday, September 07, 2002 11:53 PM
> >Subject: Re: Requiem for a Piglet: I am a murderer
> >
> >
> >> Original poster: "Terry Fritz" <twftesla-at-qwest-dot-net>
> >>
> >> Hi Dave,
> >>
> >> Slow down here....
> >>
> >> 1.4 ohms measured with just a hand held meter may be perfectly normal!!
> >> That little 9V battery is not going to magnetize that big iron core in
> the
> >> there worth a darn.  The primary "resistance" is mostly "reactive
> >> inductance" that your little meter can't see.  200 feet of like 10
gauge
> >> wire is not going to have much DC resistance!
> >>
> >> So don't go draining oil and lifting cores just yet!!
> >>
> >> Here is what I would do.  Disconnect the output terminals of Ariel from
msnip...