Re: Of mammoth proportions

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

Original poster: "Brian by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ka1bbg-at-webryders-dot-net>

WOW, just look at all the goodies! looks like the find of  the century!
you might get hold of Steve Flowers, he's on Ebay, he's a x-ray man. usually
has xmfr oil for sale. cul brian f.
----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Monday, February 25, 2002 9:05 AM
Subject: Of mammoth proportions


> Original poster: "Ben McMillen by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<spoonman534-at-yahoo-dot-com>
>
> Hello all,
>   It would seem that the transformer gods have smiled upon
> me yet again. A friend of mine here at the university
> informed me last week that he knew of a loading dock where
> they were throwing away what appeared to him to be a large
> capicitor. It turned out to be a really BIG X-Ray
> transformer inside its power cabinet. We had bitten off
> more than we could chew. When we first tried to move it, we
> had to disconnect a water inlet feed. I thought to myself
> "MAN.. this must be powerful if it's water cooled.. "
> Attached to the top were two large crane hooks for lifting
> which we later used along with a chain hoist to unload it
> from my friend's truck.
>
> Here's the tranny and the power cab.. (That's me in the
> background.. ;) )
> http://hot-streamer-dot-com/temp/XRay%20Tranny%205.jpg
> http://hot-streamer-dot-com/temp/XRay%20Power%20Cab%201.jpg
>
>
> Here are the power cab innards (lots of goodies here):
> http://hot-streamer-dot-com/temp/Power%20Cab%20Innards%203.jpg
>
>
> The transformer was unmarked, except for a small tag that
> said "Phillips Electrical Equipment". The only other
> information we could gather was from the name plate on the
> power cab:
> http://hot-streamer-dot-com/temp/Power%20Cab%20Name%20Plate.jpg
>
> Judging form the panel meters on the front of the power
> cab, the tranny is rated for 50KV, 50mA max. We later found
> that the power cab contained a timer that could be set for
> 0 - 24 hours. Apparently this X-Ray machiene was used for
> geological samples (we think) which would explain the need
> for water cooling. (unless I don't know much about XRay
> trannies ;) )
>
> Are all X-Ray power supplies DC or is this one special?
> There's only 1 HV standoff, whcih contains 3 wires, each
> connected to a terminal strip inside a metal cup. Attached
> to the metal cup was a flexible metal connector, with a 3
> prong plug (sortof like an audio XLR jack) on the end. Each
> of the 3 terminals inside the cup all seem to share a
> common internal connection (as checked with a meter).
> http://hot-streamer-dot-com/temp/HV%20Standoff.jpg
> http://hot-streamer-dot-com/temp/HV%20Standoff%20cover%201.jpg
>
> The other clue to the output being DC are the two access
> panels to the left and right of the HV standoff marked
> "RECT 1" and "RECT 2". We removed one of them to do the
> "float's on water" test to test for PCB's. I don't know how
> accurate this is, but the oil checked out ok.
>
> The thing runs on 220V, single phase.. but we couldn't
> determine a hookup, as there are numerous inputs:
> http://hot-streamer-dot-com/temp/Input%20Terminals%201.jpg
>
> My quesion(s) are: Does anyone know anything about this
> particular transformer? How do you hook it up? I was
> thinking that at least of the two outputs would be for a
> filament hookup. 2 more possibly for an Agitator to aid in
> cooling? If it IS DC, then what is the common for the HV
> terminal?
>
> The only other thing we found was a small tube inside the
> case, which appeared to be some sort of spark gap:
> http://hot-streamer-dot-com/temp/Amperex%20tube.jpg
>
> Does anybody know what this is? Would it make a suitable SG
> for a table top coil?
>
> Once again, Thanks for any help..
> (sorry the pics were so huge)
>
> Coiling in Pittsburgh
> Ben McMillen
>
>