Re: additional transformers [rolled caps]

• To: "'Tesla List'" <tesla-at-poodle.pupman-dot-com>
• Subject: Re: additional transformers [rolled caps]
• From: Tesla List <tesla-at-stic-dot-net>
• Date: Thu, 31 Jul 1997 23:21:09 -0500
• Approved: tesla-at-stic-dot-net

From: 	Julian Green[SMTP:julian-at-kbss.bt.co.uk]
Sent: 	Thursday, July 31, 1997 11:15 AM
To: 	tesla-at-pupman-dot-com
Subject: 	Re: additional transformers [rolled caps]

>Thanks for the info on that, I will go 2" on my future overlaps. It
>seems strange to me that sparks seem to travel much further along the
>surface of an insulator, no matter how clean it seems to be. Maybe this
>is due to microscopic impurities on the surface of the plastic?

Yes I have noticed this effect.  If you have a small flourescent tube
about 12" long then place it on the primary of your coil so that it lays
across several turns, and run the coil.   You should get flash over 
between the turns.   On my coil I get 2" arcs that run along the surface
of the glass.   Don't run for too long if you want to keep the tube.

Julian Green.

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