Amps
[Top] [All Lists]

Re: [Amps] Silver plating

To: amps@contesting.com
Subject: Re: [Amps] Silver plating
From: Steve Thompson <g8gsq@eltac.co.uk>
Date: Thu, 09 Apr 2009 20:53:08 +0100
List-post: <amps@contesting.com">mailto:amps@contesting.com>
 From many years ago I recall an article in 'RF Design' where 
someone suggested that oxidation on copper (and other conductors) 
makes less difference than might be expected because the higher 
resistance in the oxide causes the current to flow deeper where 
the conductivity is higher.

Steve

> ORIGINAL MESSAGE:
> 
> On Wed, 8 Apr 2009 23:36:02 -0700, "Dennis Watkins"
> <andromeda@wildblue.net> wrote:
> 
>>I doubt cleaning the tank will change the circulating current much..
>>
>>D
> 
> REPLY:
> 
> Agreed, I don't think cleaning would change it at all. What it would
> change is the I-squared-R loss due to copper oxide. I made a mental
> note of the DC input vs RF output and if I see a reduction, I will try
> cleaning the coils and see what happens. The gist of the replies to my
> question is I won't see much change. 
> 
> 73, Bill W6WRT
_______________________________________________
Amps mailing list
Amps@contesting.com
http://lists.contesting.com/mailman/listinfo/amps

<Prev in Thread] Current Thread [Next in Thread>