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Re: Homemade cap..........

Original poster: robert heidlebaugh <rheidlebaugh@xxxxxxxxxxxxxx>

Eric: I use bag stock to make capacitors and it works well. First I cut my
aluminum flashing on a paper cutter and punch connector holes in each plate
with a paper punch , Then I seal plastic bags double thick to hold the
plates in position up and down. with open tops. I then wrap 12 layers
tightly around the sides to bind all the plates in position. Thie makes a
capacitor of full voltage rating , but of low capacitance so I parallel 4
capacitors to obtain the value I want. I then mount them in oil in my final
assembly. I use aluminum POP rivets to connect all the plates spaced with
POP rivet washers and tied with string to hold the assembly in place. each
capacitor is full voltage rated so there is no series connection problems.
The only problem is finding a sutable oil tight container. My students have
used most any plastic container even COCO chocolet cans.
   Robert   H


> From: "Tesla list" <tesla@xxxxxxxxxx>
> Date: Wed, 12 Jan 2005 14:48:17 -0700
> To: tesla@xxxxxxxxxx
> Subject: Re: Homemade cap..........
> Resent-From: tesla@xxxxxxxxxx
> Resent-Date: Wed, 12 Jan 2005 14:48:14 -0700 (MST)
> Original poster: "Hydrogen18" <hydrogen18@xxxxxxxxxxxxx>
> at 700 volts per capacitor this will probably work since corona will be
> minimal. Never tried it personally though. Be sure to collect plenty of data
> when you do it.
> Eric
> ----- Original Message -----
> From: "Tesla list" <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Wednesday, January 12, 2005 12:59 PM
> Subject: Re: Homemade cap..........
>> Original poster: Phil Rembold <prembold@xxxxxxxxx>
>> David, your not crazy, your doing what most of us do, find what
>> resources are at hand, adapt as needed, whatever it takes to make
>> coils !! ;-) Can understand you wanting to run then dry, but this
>> could cause the units to overheat, you may be able to compensate for
>> this by having 3 layers of poly between each plate (of course you'll
>> have to add a few more plates, other than that, good luck and let us
>> know how it turns out.
>> On Mon, 10 Jan 2005 21:53:25 -0700, Tesla list <tesla@xxxxxxxxxx> wrote:
>>> Original poster: "david baehr" <dfb25@xxxxxxxxxxx>
>>> I know the thing to do these days is to build a nice mmc cap, but,....I
>>> have a chance to buy a 'poly tube' , well , actually , its used for
> bagging
>>> things in the warehouse I work at. Its a continuose 8" wide , 1075 foot
>>> long poly bag , 4 mil thick. $65 bucks. I thought I could make enough
>>> little caps in series ,with my 14400 input , to keep the voltage below
> 700v
>>> on each cap, and run them dry.I need about .03mfd , so I thought about
>>> 48caps @ 1.4mfd .,bag to bag would be 8mil. And I figuerd my input as
> 30kv
>>> for safety...30,000 / 48 = 625v per cap. AM I CRAZY OR WHAT? thanks