Re: water as spark gap dielectric

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

Original poster: "John Crain by way of Terry Fritz <teslalist-at-qwest-dot-net>" <darkstar7-at-earthlink-dot-net>

Does anyone  know anybody who makes inexpensive coil winder machines , so 
that I can wind my own secondaries ???????    Send me a name and address 
!!   Thanks !     darkstarcat !


>----- Original Message -----
>From: <mailto:tesla-at-pupman-dot-com>Tesla list
>To: <mailto:tesla-at-pupman-dot-com>tesla-at-pupman-dot-com
>Sent: 4/17/03 8:37:18 PM
>Subject: Re: water as spark gap dielectric
>
>Original poster: "Jim Lux by way of Terry Fritz 
><<mailto:teslalist-at-qwest-dot-net>teslalist-at-qwest-dot-net>" 
><<mailto:jimlux-at-earthlink-dot-net>jimlux-at-earthlink-dot-net>
>
>At 03:08 PM 4/17/2003 -0600, you wrote:
> >Original poster: "Mark Fergerson by way of Terry Fritz
> ><<mailto:teslalist-at-qwest-dot-net>teslalist-at-qwest-dot-net>" 
> <<mailto:mfergerson1-at-cox-dot-net>mfergerson1-at-cox-dot-net>
> >
> >Tesla list wrote:
> >>Original poster: "Mccauley, Daniel H by way of Terry Fritz
> >><<mailto:teslalist-at-qwest-dot-net>teslalist-at-qwest-dot-net>"
> >
> >>What type of material were they using for electrodes????
> >>They may have been using some type of exotic metal.  I think that during
> >>heavy current arcing, the material
> >>may break down enough to leak material or other oxides into the water thus
> >>ionizing the water and ruining the
> >>spark gap.
> >
> >   For that matter, what was the enclosure made of, not to mention the
> > pumps, plumbing, etc. (many potential sources of dissolving more ions
> > into the water)? AIUI DeIonized water is notoriously difficult to keep
> > DI, otherwise we'd all be using it.
>
>The paper doesn't give much in the way of details. The photographs show
>things made of plastic.
>
>
> >   Is some kind of continuous-flow deionization system feasible? How
> > complicated would that be?
>
>Fairly simple.. it's just a pair of ion exchange resin cartridges (or both
>anion and cation resins combined in one cartridge)...
>
>Not cheap though (at least in the budget realm comparable to scrounging NSTs )
>
>McMaster Carr has nonpressure cartridges for $85 that go to a resistivity
>of 1 Mohm-cm .. see page 439 in the catalog
>
>
> >   Mark L. Fergerson
> >
> >
>
>
>
>

--- John Crain
--- <mailto:darkstar7-at-earthlink-dot-net>darkstar7-at-earthlink-dot-net
--- EarthLink: It's your Internet.