Re: A photographic tutorial of Pancake Coil winding...with movies...(fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Thu, 21 Jun 2007 11:10:19 -0500
From: resonance <resonance@xxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: A photographic tutorial of Pancake Coil winding...with
    movies...(fwd)



The ideal "tape" for winding a high power flat spiral coil could be Nomex. 
It is available in various thicknesses and widths.  It would be interesting 
to see this type of coil's performance immersed in a flat dish of xmfr oil 
for HV insulation.

Dr. Resonance



>
> What you have here is a combination flat spiral and tall solenoid coil.
> Bart just pointed out that the metal pipe you are using acts like a
> waveguide, or third coil.  It would be more appropriate to call this a
> combination coil, rather than just a pancake coil.
>
> You should be able to change to quality of the spark output by changing 
> the
> tube length.
>
> BTW, I like your winding technique with the roll of paper.  Have you
> considered using a roll of electrical tape?
>
> David W. Thomson
>
>
>
>