Re: General Questions

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

Original poster: "Jim Lux by way of Terry Fritz <twftesla-at-uswest-dot-net>" <jimlux-at-earthlink-dot-net>

Yes...
That epsilon of 80 really helps..
Mechanical forces on the plates will be your big problem.
I've seen (pictures of) a big pulse former using a water insulated cap, and
they kept having problems with the plates deforming under electrostatic and
magnetic loads. (They got bitten both ways... )

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, April 10, 2001 5:58 PM
Subject: Re: General Questions


> Original poster: "Terry Fritz" <twftesla-at-uswest-dot-net>
>
> Hi,
>
> So, with one able to buy a fancy filter at WallMart and rig a recirc
> system.  Then getting distilled water and all.  Is it possible to make a
> Tesla primary cap with plates in really pure (that a normal guy can make)
> deionized water.  You would have to charge the water immersed plates at
> 60Hz to like 20kV.  It sounds really tough since the high voltage would
> want to mess up the water really fast, but thought I would ask...
>
> Cartridge filters and little water pumps are relativley cheap if it would
> have a chance of working...
>
> I thought it would be a practical use for some of this "chemystery" talk
;-))
>
> Cheers,
>
> Terry
>
>
> At 12:58 AM 4/11/2001 +0100, you wrote:
> >Hi Jason, All!
> >
> >Whoaup lad!  This chemistry is tricky stuff (and perilously near off
> >topic) and there's few things so weird and wonderful as water, of
> >which ye and me are living proof!  (Well, OK, antimony pentafluoride
> >is pretty whacky but I wouldn't want a bath in it ;-)
> >
> >>but by default water is an ionic compound and therefore a charge
> >carrier! in
> >>this way, you CANT have de-ionised water because water itself is
> >ionic!!!
> >
> >
> >Well, yes, water is an ionic compound, but in the absence of any ionic
> >impurities, the equilibrium lies well away from the fully dissociated
> >state, in fact there's scarcely any free H+ or HO- at all!  "To make
> >gold, you must take gold" as the old alchemists used to say, and if
> >you want dissociated ions, you must add dissociated ions.  In the
> >total absence of extraneous muck (technical term) only one in 10^14
> >water molecules is dissociated at room temperature.
> >
> >>The H+ ions will move electrons around very efficiently, and even a
> >high
> >>resistivity will not really be enough to stop a large amount of
> >voltage!
> >
> >
> >If the water is clean enough, you can use it to cool high power valve
> >transmitters which have the water flowing through the anode at say
> >20kV - on a continuous basis.  Usually you help things by using narrow
> >bore insulating hose maybe a hundred feet long.  That way the total
> >resistive path via the water is more ohms.  This is old technology,
> >the stuff which existed before modern ion exchange resins were
> >invented; water-cooled valves date back to the 1920s and some are
> >displayed in the Science Museum, London (or were a few years ago) in
> >their radio exhibit.  What Jim et al have said is true.  *Really*
> >clean water is a very good insulator, but the ionic impurities (e.g.
> >sodium, sulphate, chloride etc ions) do have to be sub-ppm (and
> >probably sub-ppb) for the more impressive applications, like the 500kV
> >dc switching converter (does this thing have a web presence?  If so
> >I'd like to see it).  Only modern ion exchange resins can do that on
> >the large scale, continuously. [soapbox mode] Polymer chemistry!
> >[soapbox mode off].
> >
> >>Anyway, a tesla system is in no part DC!!!
> >
> >Ohms is still ohms.
> >
> >Dunckx
> >
>
>