RE: Re: Oil Dielectric Properties

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: gary350@xxxxxxxxxxxxx 

I got several flat sheet metal plates about 10" by 16" each at the 
local heat and air conditioning shop.  Hand sanded all the edges to 
remove sharp edge and corners.




-----Original Message-----
>From: Tesla list <tesla@xxxxxxxxxx>
>Sent: Apr 15, 2007 8:16 PM
>To: tesla@xxxxxxxxxx
>Subject: RE:  Re: Oil Dielectric Properties
>
>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
> > >
> > >
> >
> >
>
>
>