RE: Re: Oil Dielectric Properties

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: nancylavoie@xxxxxxxxxxx 

Gives new meaning to the term "Tank Capacitor".Sorry. What did you 
use for the plates?Foil?Flashing? Wyatt

-------------- Original message --------------
From: "Tesla list" <tesla@xxxxxxxxxx>

> Original poster: "Anthony R. Mollner"
>
> Now that's a capacitor! I would like to see a chart on the direct 
dielectric
> properties of oils to find what kind of spacing would be best. 
Anyone have a
> dielectric chat that they can post for me? What did you use for spacers I
> wonder since plastics are a better dielectric than oils in the first place?
> Tony
>
> -----Original Message-----
> From: Tesla list [mailto:tesla@xxxxxxxxxx]
> Sent: Saturday, April 14, 2007 7:21 PM
> To: tesla@xxxxxxxxxx
> Subject: Re: Oil Dielectric Properties
>
>
> Original poster: gary350@xxxxxxxxxxxxx
>
> I built a cap using metal plates and a fish aquarium. Cut all 
the > plates the same size let plates 1,3,5,7,9,etc hang over one side
> about 1/4" let plates 2,4,6,8,10 hang over the opposite side connect
> the edges together with a soldered wire. A spacer is needed between
> all of the plates. The spacer is the number one problem because it
> becomes part of the dielectric. I tried all sorts of things
> polyurethane 1/8" thick worked the best for me. I tried several
> different oils, Caster oil, mineral oil, 100% paraffin oil, 10 weight
> hydraulic oil, High Voltage oil, BBQ grill lighter fluid. All of the
> oils seems to work fine. This cap is 99.9999% bullet proof and 100%
> repairable. The only problem I ever had was getting an arc along one
> of the spacers and causing a carbon track on the spacer. The spacer
> was replaced and the cap worked fine again. Cap is quick and easy to
> build. Disadvantage is it is large and bulky.
>
>
&

gt; >
> -----Original Message-----
> >From: Tesla list
> >Sent: Apr 12, 2007 9:38 PM
> >To: tesla@xxxxxxxxxx
> >Subject: Oil Dielectric Properties
> >
> >Original poster: "Breneman, Chris"
> >
> >Hello,
> >
> >I was once again considering possible unique methods of homemade tank
> >capacitor construction, and came up with this idea:
> >In a jar, or some other kind of uniform container with an open top,
> >place a plate of metal at the bottom. Glue the plate of fasten it to
> >the bottom by some means. Then add a layer of salt to the desired
> >dielectric thickness. Then add another metal plate cut so that the
> >lead is on the opposite side of the container (of course the leads on
> >alternating plates alternate) and glue or fasten it to the side of
> >t he container. Then repeat with the salt and plates until the
> >container is filled. Metal plates should have some kind of opening
> >in them, either a drilled hole or a space left for the opposite leads
> >on the sides of the container. After this is done, the plates should
> >be stationary and fixed to the sides of the container. The salt
> >could be poured out or dissolved with water, and the container could
> >be filled with a liquid dielectric, such as oil. Such a capacitor
> >would be self-healing, always a useful trait.
> >Anyway, I was wondering what the dielectric properties of various
> >kinds of oil are at high frequencies to determine whether a capacitor
> >constructed in such a way would be feasible for Tesla coil
> >use. Also, if anyone sees any general design problems with this,
> >suggestions are of course welcome.
> >
> > Thanks ,
> >Chris
> >
> >
>
>