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Re: Aluminum bar as stationary electrode holder? (fwd)



---------- Forwarded message ----------
Date: Fri, 24 Aug 2007 17:17:48 -0700
From: Barton B. Anderson <bartb@xxxxxxxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: Aluminum bar as stationary electrode holder? (fwd)

Regardless of conductance properties of aluminum at RF, I think Jon is 
simply using them as holders, not as a conductive portion of the gap. 
Their heat sink properties is just fine for the purpose.

Take care,
Bart

Tesla list wrote:

>---------- Forwarded message ----------
>Date: Thu, 23 Aug 2007 23:15:38 -0500
>From: resonance <resonance@xxxxxxxxxxxx>
>To: Tesla list <tesla@xxxxxxxxxx>
>Subject: Re: Aluminum bar as stationary electrode holder? (fwd)
>
>
>
>Avoid aluminum --- it's conductance is too low at RF frequencies.  It works 
>fine at 60 Hz but not HF. It will work but really limits your peak primary 
>current.
>
>Since potential across an inductor depends on peak current, you want it as 
>high as possible.  Keep inductance as high as possible also by using a large 
>dia. sec coilform.
>
>Vsec = -L x dI/dt
>
>
>
>Dr. Resonance
>
>Resonance Research Corp.
>www.resonanceresearch.com
>
>
>----- Original Message ----- 
>From: "Tesla list" <tesla@xxxxxxxxxx>
>To: <tesla@xxxxxxxxxx>
>Sent: Thursday, August 23, 2007 9:00 PM
>Subject: Re: Aluminum bar as stationary electrode holder? (fwd)
>
>
>  
>
>>---------- Forwarded message ----------
>>Date: Thu, 23 Aug 2007 20:13:17 EDT
>>From: FutureT@xxxxxxx
>>To: tesla@xxxxxxxxxx
>>Subject: Re: Aluminum bar as stationary electrode holder? (fwd)
>>
>>
>>In a message dated 8/23/2007 7:00:08 P.M. US Eastern Standard Time,
>>tesla@xxxxxxxxxx writes:
>>
>>    
>>
>>>I have some tungsten electrodes, and am considering using  aluminum bars 
>>>as
>>>holders/connectors for them on my  SRSG.
>>>      
>>>
>>
>>Jon,
>>
>>I use aluminum for my electrode holders for most of my rotary gap 
>>designs.
>>You can see some of these rotaries at my website at:
>>
>>_http://hometown/aol.com/futuret/page3.html_
>>(http://hometown/aol.com/futuret/page3.html)
>>
>>_http://j.futuret.googlepages.com_ (http://j.futuret.googlepages.com)
>>
>>John
>>
>>
>>
>>
>>************************************** Get a sneak peek of the all-new AOL 
>>at
>>http://discover.aol.com/memed/aolcom30tour
>>
>>
>>
>>    
>>
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