RE: conical secondaries (fwd)

["Tesla list" <tesla@xxxxxxxxxx>]

---------- Forwarded message ----------
Date: Sat, 16 Jun 2007 07:30:57 -0500
From: David Thomson <dwt@xxxxxxxxxxxx>
To: 'Tesla list' <tesla@xxxxxxxxxx>
Subject: RE: conical secondaries (fwd)

Hi Matt,

> The  advantage of a conical coil is that it can contain more 
> power  (current times potential) before breaking out than if 
> a pure flat spiral or  pure solenoid coil were used. 
>  
> Why? I thought that breakout was a function of the top load geometry.

I have found that flat spiral coils will handle a higher current than
solenoids, and that solenoids will handle a higher potential than flat
spirals.  A cone gives the best of both.  The coil geometry is just as
important as the top load geometry.

Dave