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[AMPS] Coil Forms

To: <amps@contesting.com>
Subject: [AMPS] Coil Forms
From: 2@vc.net (2)
Date: Mon, 12 Nov 2001 05:46:50 -0800
>
>> Jerry said:
>> >as I can Make the forms from PVC Pipe
>
>Peter said:
>> PVC isn't the best material for the job: if you can get some
>> fibreglass, that's much better - less loss.
>
>The loss difference is generally insignificant, because the primary 
>field in the PVC is the magnetic field unless you are unwisely 
>placing PVC where the electric field is highly concentrated.


/   So for QRP, PVC is good enough.  For QRO,  maybe not.  In my 
experiences with the 8170 20db amplifier (a.k.a. the "Plywood Box"), 
white PVC ignited and burned. 
>...

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


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