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Re: Primary

On Wed, 13 Mar 1996 tesla-at-grendel.objinc-dot-com wrote:

> >From osburnw-at-UTKVX.UTCC.UTK.EDU Wed Mar 13 07:14 MST 1996
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> Date: Wed, 13 Mar 1996 09:08:06 -0400 (EDT)
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> From: osburnw-at-UTKVX.UTCC.UTK.EDU (William L. Osburn)
> Subject: Re: Primary
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> 
> Matthew -
> 
> >I went to the american science surplus and bought a piece of polypropylene
> (4' x 4') quare.  I cut 8 (30-60-90) triangle out of the sheet. 
> 
> How much did this cost?  And what is the address and number of American
> Science Surplus.  And what are you using for the copper?  Refrigeration
> tubing or flat ribbon?  Please give dimensions.
> 
> How big is your coil, primary and secondary?  Later,
> *** Magic Bill ***
> 
> 
> 
Well, I am using the 8 pieces for my 1kva TC now, but I plan to switch 
these over to a large tc in the next few months. 

	I used 1/4"copper tubing as my primary conductor with 
1/4"spacing.  All of the triangles have 3 holes drilled in from the 
bottom and were threaded to accept 10-32 plastic machine screws.  I 
drilled holes in the wood base that would screw into the triangles from 
the bottom, using a template.  I am hoping to get some pictures up on the 
net in the next week.  Remind me so I don't forget.  I took me some time 
to do this, but it was worth it.  My system looks great and is 
mechanically speaking extremely sturdy.

	The american science center doesn't stock anything. You walk in a 
bug what ever they have laying around. They do have a catalog of things 
which they have thousands of in stock.  Just go to ACE Hardware and buy a 
3'x3' sheet of 1/4" polyproplyene.... Don't use plexiglass unless you 
feel that you are a plastic wizard.  Because it will crack if you try to 
mill the stuff like it did.  Believe me I know.. Oh one nice thing about 
the American Science Center is that well let me put it this way.  I only 
paid $1 for the plastic sheet.

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Matthew Klueppel,   1601 Elm St. Park Ridge Il ,60068 (847) 698-9838  
cwolins-at-orion.it.luc.edu
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Connor-Winfield Corp. Electronic,Software Engineer (708)851-4722 E.128
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