small valves and RE: OT

Jim Isbell, W5JAI jim.isbell at
Thu Apr 28 14:19:28 CDT 2005

Not to say "Mine is bigger than yours", BUT mine is bigger.  I am
working on a linear for my S-Line that has a 12KVA 2A @ 6KV
transformer...about 130 lb.  I doubt that it will be overloaded with
just one 4-1000A to drive.

On 4/28/05, Patrick Finnegan <pat at> wrote:
> On Thursday 28 April 2005 11:46, Wai-Sun Chia wrote:
> > On 4/28/05, Patrick Finnegan <pat at> wrote:
> > > Heh.  About a year and a half ago, I pulled the transformer out of
> > > an NMI power supply.  4kV at 1.5A rating.
> > >
> > > That sucker could blow fuses really well. ;)
> >
> > Holy moley!! I can imagine... :-)
> > Could you please post some pics of this monster? I haven't seen one
> > rated this much before...
> Unfortunately, I don't have a picture of it, and I got rid of it a while
> ago when moving offices.  It was a black cube roughly 8" on a side, and
> weighed in at 80lbs or so.
> I *do* have a few 60mA, 48kV x-ray transformers laying around though.
> Those suckers are heavy (>100lbs).  I made some nice long plasma
> streams with two of them hooked up out-of-phase giving me a >120kV peak
> voltage, before I melted a current-limiting inductor in one.  At some
> point, I need to rewind that coil (it's only got one layer, so it'll be
> easy to do once i get some magnet wire).
> Pat
> --
> Purdue University Research Computing ---
> The Computer Refuge                  ---

Jim Isbell
"If you are not living on the edge, well then, 
you are just taking up too much space."
UltraVan #257
CAL - 27   #221
1970 E-Type
1985 XJS
1982 XJ6

More information about the cctalk mailing list