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Re: Tungsten electrodes in static gap?
WC (tungsten carbide) isn't all that great a conductor.. depending on the
dimensions, the resistance might be an issue, loss-wise..
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> From: Tesla List <tesla-at-pupman-dot-com>
> To: tesla-at-pupman-dot-com
> Subject: Re: Tungsten electrodes in static gap?
> Date: Friday, September 17, 1999 3:59 PM
>
> Original Poster: Clifford D Fahrer <cfahrer-at-in-touch-dot-net>
>
>
>
> Tesla List wrote:
>
> > Original Poster: BunnyKiller <bigfoo39-at-idt-dot-net>
> >
> > Tesla List wrote:
> >
> > > Original Poster: Don Allen <dona-at-amigo-dot-net>
> > >
> > > Hi All,
> > >
> > > I've been reading the RSG gap thread and am wondering how
> > > well would tungsten electrodes work in a static gap?
> > >
> > > Does tungsten corrode with the use of high voltage, like copper?
> > >
> > > Thanks,
> > >
> > > Don
> > >
> > > ---
> > >
> > > "Resistance to tyrants is obedience to God" - Thomas Jefferson
> >
> > Ive been using tungsten as my primary choice for my single gap system.
> > The gap is designed with 1/8" rods set into 1/4 - 20 bolts( bolts
> > drilled with a #30 bit ) these assemblies are set into a 2" PVC pipe
180
> > degrees apart ( 1/2" down inside from top). There is a shop vac
> > attatched to the bottom of this tube assy. the tube is approximately
10"
> > long. Also i took a propane torch and heated the PVC to make it "
> > moldable", after it was soft enuf i "squished " the tube to an oval
> > shape aproximatley 1" wide and 2.5" long ( the electrodes are set into
> > the short ends) --(____)--
> >
> > anyway there is some corrosion , the electrodes melt a bit on the ends
> > and become rounded, they were flush ground... but over all
> > performance is great compared to copper or brass... btw these were
> > used on an 1800 watt system and tested on a 10KW system and they are
> > still functional ;)
> >
> > Scot, Don and All,
>
> How about tungsten Carbide. It is used for milling tools---real hard
stuff.
> I am currently cutting 3/8 inch dia rods to use with my RSG for a 28KVA
> Tesla coil. If I don't get any reasons not to use them, (from the list),
I
> will use them in place of tungsten welding rods. They are hard as he--
to
> cut, but I've got a diamond blade saw that will do the job.
>
> Cliff in South West Ohio
>
>
>
>