I am interested in the 3ph 250kva linear variac. I live near Huntsville,
Alabama, which is not too far away.
Steve Pitts
On Tue, Jan 17, 2023 at 8:24 AM Chris Reeland <chrisreeland@xxxxxxxxx>
wrote:
> Hi Andrew (...and Steve),
>
> I will admit not too surprised about on facebook...but even here is going
> to be tough in my opinion. The reality is the 3 phase at 480 is really a
> deal breaker for many on this transformer/DC power supply. Yeah you could
> put less voltage in and less output. But overall, it is going to have to be
> that special kind of person...say kind of "nuts" :-D:-D:-D
> Speaking of "nuts", I already own 3 brand new single phase 167KVA pole pig
> transformers that are are a combined total of 4,551lbs and a total of 174
> gallons of oil. I will of course most likely never fully use full KVA of
> these. They will definitely be lightly loaded. Heck this is bigger than all
> the transformers in my surrounding neighborhood in my small town. Hmm...
> maybe I need to move nextdoor to our small substation in town
> :-D:-D:-D Or suggest they put up one of my spare transformers in the
> neighborhood, I would give it to them free :-D:-D:-D I could not
> resist having a little fun dreaming here. We do all dream of building all
> kinds of coils don't we after all? :^)
> So to give the unfamiliar here my numbers will give the a basic idea if
> they are interested to possibly plan for this.
> It is a little hard to read the tag...but it looks to have 232 gallons of
> oil in this fella.
> Surprised none of the 3 tags give a total weight at all.
> But with the amount of oil in it one can now I would say get a basic idea
> of approximate weight of this single fella.
>
> Unfortunately...as another fella said in another post...darn distance
> getting in the way...we HV people are definitely spread apart it seems.
>
> And speaking of oil, that is how I got my 3 brand new transformers
> practically free a few years ago.
> I am not going to give all details who had them, but they were stuck with
> them.
> Someone made some kind of purchasing mistake, too much time had passed when
> the mistake realized and could not return. It was a multi-year construction
> project on a brand new building. So they just sat there as they were
> ordered way early, then found out as they were about to install...and of
> course had to order proper ones.
> Construction got all done, building opened up. A little bit of time passes
> and they decide to try to sell...for a little lower than what they paid, no
> takers, and well just kept lowering along the way...still no takers...
> finally decided to just scrap them and get what they can scrap...well found
> out oil in it is a no go at least in my "neck of the woods" around here.
> They would have to pay a company to come and remove all oil and haul oil
> away, was not cheap. And still afterwards...local scrap yards not all
> really that interested even after oil emptied, going to charge for them and
> charge to haul away. So these higher "ups" finally decided to task this to
> a much lower level blue collar boss of maintenance to make them "disappear"
> to someone he possibly knows...so he knows me some, and he figures I am
> that special person and also that I would not kill myself with them.
> Contacts me, fills me in on all this and tells me they do need a slight
> paper trail, they must have to charge something (next to nothing actually)
> for these 3 brand new transformers. A hour later, I take a look at them,
> did some basic meter checks, looked at the paperwork that came with them
> from the transformer maker, said I can make all 3 disappear tomorrow if
> you cut off a few more bucks (I figured I have leverage here... what the
> heck, they want them gone.) because I need to get my rigging gear just to
> move and pick these things up. This place is not industrial at all. No
> equipment at all to pick up and trapped in corner of building inside. So he
> makes a quick phone call and tells them my proposal to get even more next
> to nothing if make them disappear tomorrow. Very quickly he says done deal
> they said. For me this deal was convenient as it was just 4 miles from my
> house.
>
> So Andrew, after my long winded story how I got my fairly big transformers,
> even though I would hate to see this transformer scrapped, I am not sure of
> how things are in your area for scrapping something like this. And I agree
> with Steve for offering free as a motivation. It is also now 30+ years old.
> Even still while waiting for that special person...I would start
> investigating right now if you could have problems possibly at scrap yards.
>
> I hope someone will at least save that beautiful 3 phase linear voltage
> regulator. For those not familiar, this is not a full range Variac, it
> automatically corrects kind of quick by an electric motor control, the
> output voltage to be stable 480V. Input range is +9 and -14% of 480V if I
> remember correctly.
>
> Okay, just wanted to ramble some thoughts and complain stuff again too far
> away :-(
>
> Chris Reeland
> Ladd Illinois USA
>
> Sent from my Lenovo Tablet
>
> On Mon, Jan 16, 2023, 1:15 PM Steve White <steve.white1@xxxxxxxxx> wrote:
>
> > Hello Andrew,
> >
> > I'm not personally interested so I have no vested interest, but if you
> are
> > considering scrapping these items why not offer them for free? "Free" is
> a
> > great motivator. Its certainly better than scrap. Considering my age I'll
> > probably be offering most of my stuff for free.
> >
> > Steve White
> > Cedar Rapids, Iowa
> >
> > ----- Original Message -----
> > From: "Andrew" <patracy@xxxxxxxxx>
> > To: "Tesla Coil List" <tcml@xxxxxxxxxxxxxxx>
> > Sent: Monday, January 16, 2023 10:55:44 AM
> > Subject: [TCML] Various coil parts needing a new home, want to build a
> > colossal sized coil?
> >
> > I've tried to move a few of these parts on facebook, but never seemed to
> > have much of any interest out there. So I thought I'd give it a try here
> > to the group. Otherwise, I'm getting close to the point that I'll simply
> > have to scrap them.
> >
> > I don't think the mailing list will forward pictures, so hopefully this
> > share will work for at least a few of the pics:
> > https://photos.app.goo.gl/ngHs1MGbGQNgEpEm7
> >
> > A quick list of the high points:
> > 3ph 250kva linear variac
> > Dozens of cornell dubilier 8500uf electrolytic capacitors rated at 350vdc
> > up to 400vdc peak.
> > Dozens of oil filled caps, I want to say they're rated at 46uf and
> 580vac.
> > Also some 13uf caps rated at 1200v.
> > A pair of EEV kylstrodes
> > Jennings 3ph vacuum contactor (I don't have the data plate handy, but it
> > was the HV disconnect for a 50kw AM transmitter. I know that transmitter
> > had 4cx35000's in it so that could be up to 20kv)
> > And now for the big part. A NWL 260kva transformer. It can put out
> > 24-27kv at ~9 AMPS!
> >
> > Most of the stuff is at my shop. But the transformer is at a friend's
> > shop. That's the big thing I need to deal with immediately because the
> > landlord has listed the property up for sale. Matt does have a forklift
> so
> > we can load it onto a trailer for you.
> >
> > I'm interested in building some large DRSSTC coils. Also would like to
> > find a turbomolecular pump and vacuum chambers to build a fusor. Or some
> > caps for a large RSG coil I'm eventually going to build. I'm located
> about
> > 45 mins west of Atlanta, GA near the GA/AL line just north of I-20.
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> >
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