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Re: [] conical secondary (fwd)



---------- Forwarded message ----------
Date: Sat, 16 Jun 2007 20:26:45 -0700
From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: [] conical secondary (fwd)

Hi Dave,

What do you mean that the solenoid has practically no coupling? 
Certainly it does. There is both electrical connectivity and mutual 
inductance between those two coils. They definitely couple to each other 
and probably a good value considering their proximity. Give me specs on 
the two coils and I'll tell you how much.

How did you measure coupling between the two?

Take care,
Bart

Tesla list wrote:

>---------- Forwarded message ----------
>Date: Sat, 16 Jun 2007 21:17:12 -0500
>From: David Thomson <dwt@xxxxxxxxxxxx>
>To: 'Tesla list' <tesla@xxxxxxxxxx>
>Subject: RE: [] conical secondary (fwd)
>
>Hi Scott,
>
>  
>
>>     Did anybody consider a flat secondary with a helical 
>>resonator in a magnifier setup?  My thinking is that would 
>>give the absolute maximum current (from the flat secondary) 
>>and potential (from the helical resonator).  
>>    
>>
>
>This is essentially my setup:
>http://www.tesla-coil-builder.com/FlatSpiralSolenoidCombo.htm
>
>A tall solenoid coil has practically no coupling when connected to the
>center tap of a flat spiral coil.  The solenoid is operating as a resonator.
>That is how I generated the coronal standing waves (longitudinal, scalar,
>whatever you want to call them) on the topload.
>
>Dave
>
>
>
>
>
>
>  
>