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RE: Stacked capacitor (fwd)

Subject: 
        RE: Stacked capacitor (fwd)
  Date: 
        Sun, 13 Apr 97 05:59:13 UT
  From: 
        "William Noble" <William_B_Noble-at-msn-dot-com>
    To: 
        "Tesla List" <tesla-at-pupman-dot-com>


I've been thinking about making a similar capacitor - but it seems to me
that 
the insulating material can be placed in an "S" pattern between the
plates so 
that there is no need for a border on two of the sides (let * represent
the 
insulating dielectric):

                                                          *****
  --------------------------------------------------- *
 | *********************************************
 | *-----------------------------------------------------|
 | ********************************************   |
 |---------------------------------------------------*   |
   ********************************************
and so on.  I havent tried this yet - but it seems to me that for a flat 
capacitor it should be an improvement.  Further, I've been thinking that
by 
using copper plates you can solder bussbar to the plates giving them
superior 
current capacity over an aluminum equivalent.  I haven't quite convinced 
myself that I know how to make a good connection to aluminum short of
welding 
another piece of aluminum to it.
-----Original Message-----
From:   Tesla List 
Sent:   Saturday, April 12, 1997 5:32 AM
To:     tesla-at-poodle.pupman-dot-com
Subject:        Stacked capacitor (fwd)

Date: Thu, 10 Apr 1997 16:31:20 -0600
From: "Phillip M. Jarvis" <jarvisp-at-bee.d93.k12.id.us>
To: tesla-at-pupman-dot-com
Subject: Stacked capacitor

I just made a stacked cap with 16oz. copper (measured thickness is 25
mils) and 6 plates each with 206 sq. inches of area. 120 mil
ployethylene dielectric and light mineral oil as the drowning agent.
Light mineral oil does not have the mineral content so it insulates
better than heavy mineral oil which is commonly used for - well, relief.

I made the plates so (looking at them edgewise):

   _____________________
  |_____________________
  |_____________________

An identical 3 plates were made in the same fashion, placed so that they
were a mirror image, then meshed together. 2 sheets of 60 mil poly were
placed in between the plates. The distance between the plates is 120
mils:

   _____________________
  | _____________________
  |_____________________ |
  | _____________________|
  |_____________________ |
    _____________________|
[Bill]  SNIP-----