Polyurethane

• To: tesla-at-pupman-dot-com
• Subject: Polyurethane
• From: Parpp807-at-aol-dot-com (by way of Terry Fritz <twftesla-at-uswest-dot-net>)
• Date: Sat, 05 Feb 2000 21:47:03 -0700
• Approved: twftesla-at-uswest-dot-net
• Delivered-To: fixup-tesla-at-pupman-dot-com-at-fixme

Hi all,

This may be ho hum to experienced coilers. I was impressed today by the 
insulating
properties of poylurethane varnish. The necessary rounded bends in the 3/16 
Cu tubing
that form the 15-turn primary are formed in order to mount the primary so it 
is coaxial
with the secondary. I noticed some arcing to the secondary coming from the 
bends at the end of the coil. These bends are rounded, they are not sharp 
bends. I brushed some
PU varnish in the area of the bends and one coat was enuff to stop the 
arcing. I brushed on several more coats and the arcing is now eliminated.

Happy Day,
Ralph Zekelman 

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