Re: Overcoupling?

• To: tesla-at-pupman-dot-com
• Subject: Re: Overcoupling?
• From: Esondrmn-at-aol-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Wed, 05 May 1999 22:37:06 -0600
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

In a message dated 5/4/99 3:02:46 AM Pacific Daylight Time, tesla-at-pupman-dot-com 
writes:

> 
>  If the main consequence to overcoupling is damage to one's secondary from
>  the sparks that race along the length of the secondary, could this be
>  helped by adding several disks of an insulator, say LDPE, along the
>  length of the secondary, disk ID tightly hot-melt glued to the secondary,
>  to effectively increase the top-bottom surface length of the secondary?
>  I seem to recall seeing this done on someone's wep page, no idea who that
>  was.  Same idea as on the ribbed HV insulators we see on pigs, NST
>  bushings, etc.  In clear acrylic, it had that kind of futuristic, Jetsons
>  look to it too!
>  
>  Gary Lau
>  Waltham, MA USA
>  
Gary,

When I was having problems getting my 6.0" dia secondary to run at 5kva, at 
one time I had problems with arcs up and down the secondary.  I bought three 
rolls of glad wrap (poly) and wrapped the whole coil about .25" thick.  Fixed 
the problem but didn't look very good.  Since I have solved the problems, I 
have since removed the plastic film.

Ed Sonderman

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