Re: Acrylic coil form for secondary

• To: tesla-at-pupman-dot-com
• Subject: Re: Acrylic coil form for secondary
• From: Esondrmn-at-aol-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Wed, 22 Sep 1999 06:51:39 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

In a message dated 9/17/99 4:51:46 AM Pacific Daylight Time, tesla-at-pupman-dot-com 
writes:

> 
>  Original Poster: "James" <mustang3-at-home-dot-com> 
>  
>  no, the acrilic is not prone to water.
>                              later,
>                                      James
>  
>  
James,

I have a small 3.0" dia coil made from acrylic.  No preparation is necessary, 
just wind the wire.  Be careful of what you use to coat the finished windings 
with.  I used polyurethane.  The solvents in many types of coatings will 
attack the acrylic and cause thousands of small cracks throughout the form.  
You might test a piece first.  I just got lucky on mine, but have since found 
this problem with acrylics.

Ed Sonderman

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