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[Amps] Voodoo Magnetic Fields

To: <amps@contesting.com>
Subject: [Amps] Voodoo Magnetic Fields
From: 2 at vc.net (2)
Date: Sun Feb 9 13:17:36 2003
The trick is to have the scope connected when an event takes place -- 
which could be once in maybe a year or eight.

>Why speculate? If you've a storage scope or a
>scope with triggered sweep amd a camera
>it's easy to measure the destruction of that
>28 guage choke and get a handle on the
>upper limit of that current.
>
>-bob
>ah7i
>
>
>2 wrote:
>
>>  
>>
>>>Jeffrey Madore wrote:
>>>    
>>>
>>>>As I alluded to, I think we can leave the terrestrial magnetic field 
>>>>out of the equation.
>>>>      
>>>>
>>>That is clear from Eric's calculation.
>>>
>>>    
>>>
>>>>A length of power cable in free air exhibits the property of inductive 
>>>>reactance when there is AC current flow. This XL results when the 
>>>>cables own magnetic field expands and collapses about the conductor 
>>>>itself. The result is a CEMF which produces current that is out of 
>>>>phase with the source current and thus bucks or impedes the flow of 
>>>>current from the source. Hence, we have these two current components 
>>>>which are out of phase, producing magnetic reaction and mechanical force.
>>>>
>>>>      
>>>>
>>>If you can describe the scenario, you can predict the force. Please may 
>>>we see a calculation?
>>>...
>>>    
>>>
>>**  not until someone measures the currents present during the event that 
>>preceeds a 3-500Z fil/grid short.  So far, the only quantity we can guess 
>>at is the >15a it takes to melt #28 Cu in the grid's DC return path.
>>
>>-  R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K, 
>>www.vcnet.com/measures.  
>>end
>>
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>>
>>  
>>
>
>
>
>


-  R. L. Measures, a.k.a. Rich..., 805.386.3734, AG6K, 
www.vcnet.com/measures.  
end

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