Re: Newspaper Aluminum Sheets
I was building a voltage doubler.
From: Tesla List <tesla-at-pupman-dot-com>
To: tesla-at-pupman-dot-com <tesla-at-pupman-dot-com>
Date: Saturday, October 02, 1999 4:49 AM
Subject: RE: Newspaper Aluminum Sheets
>Original Poster: "Basura, Brian" <brian.basura-at-unistudios-dot-com>
>Have you actually used this capacitor in Tesla Coil service?
>From: Tesla List [mailto:tesla-at-pupman-dot-com]
>Sent: Wednesday, September 29, 1999 4:38 PM
>Subject: Re: Newspaper Aluminum Sheets
>Original Poster: "The Flavored Coffee Guy" <elgersmad-at-msn-dot-com>
>Shoot, man, I made a wooden box with one crank on a dowel, and four dowels
>for holding foil, or generic wax paper. This is how I had spacers set up
>make a capacitor on the rack that held only the four dowels for dispensing.
> |||-------------| 1
> ||-------------|| 2
> |-------------||| 3
> ||-------------|| 4
>1. Is foil.
>2. Is Waxpaper.
>3. Is foil.
>4. Is Waxpaper.
>5. Is the Crank.
> All of the foil, and waxpaper were equally long roles in inches, and
>where the foil went past the waxpaper was used at the ends for electrical
> Now, my take up reel, or crank was centered like the waxpaper but, as
>much wider as the overlap of the aluminum foil, and with a 1/4 inch on
>either side it ain't bad. The thing that I needed was a 6th roller U
>to a couple of rat traps for spring to keep the role flat on the take up
>reel with the crank.
> I found that rubbing the layers can help square them when you start
>cranking but, at then turn that thing down tight because, the closer the
>capacitor plates are and the less air there is between them, the high the
>value of capacitance. I suppose that you could use springs your own way,
>buy a kit filled with all sorts of springs from your local mega hardware
>store because, I have see those bulk. Then two door hinges for the spring
>loaded pinch roller that keeps you take up reel tight.
> The more exact you are at measuring wood, and the better you are at
>making this to the exact measurements of the rolls of aluminum, and
>waxpaper, or possibly a adjustable stock for the length of rolls on this
>thing, the better it works. Mine was all wood and screws, sand coat, hard
>coat, gloss coat, and sanded with 3 desending grades of sand paper from 60,
>100, 200, then the sand coat, 400 wet and dry, hard coat then sanded it
>with 600 grit, then the glossy coat. It looked like a piece of furniture
>for making two ply paper towels into 8 ply super towels. But, the shinny
>surface allows for some slippage, and provides a fairly constant, and equal
>level of friction on each role. Leave the dowel with the crank on it, in
>the middle of finished role, and cut off the ends with the handle, and the
>extended part of the rollers pin that was used to allow it to rotate. I
>used 1 inch diameter dowels, which are just about twice as big around as
>broomsticks. I used 1X1s as a screw base to hold my corners together as a
>frame for the half inch plywood. The edges were left fairly rough but, I
>painted em' anyway. At all of the friction points that count, use only a
>sanding block to keep everything as square as possible.
>>Original Poster: Clifford D Fahrer <cfahrer-at-in-touch-dot-net>
>>Has anyone used the thin aluminum sheets that newspapers use for page
>>print for flat plate capacitors. The newspaper people dispose of the
>>sheets when they get old. The sheets are the size of a sheet of
>>newspaper and ,(I think), are anodized where the print appears. I don't
>>know if this newsprint process changes the surface properties of the
>>If I can't get any answers from the list I will get a sheet and test.
>>They are FREE and seem to be the right size for flat plate capacitors.
>>Coiling in SW Ohio------Cliff