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Re: [Amps] Silver plating

To: dezrat1242@yahoo.com
Subject: Re: [Amps] Silver plating
From: Roger <sub1@rogerhalstead.com>
Date: Thu, 09 Apr 2009 00:43:05 -0400
List-post: <amps@contesting.com">mailto:amps@contesting.com>

Bill, W6WRT wrote:
> ORIGINAL MESSAGE:
>
> On Wed, 08 Apr 2009 23:45:10 -0400, Roger <sub1@rogerhalstead.com>
> wrote:
>
>   
>> . From a practical approach I think 
>> you will find the differences on HF to be slight.  Possibly on 10 a bit 
>> more, but with the large diameter tube and strap used ...The silver 
>> looks pretty.
>>     
>
> REPLY:
>
> Thanks Roger. I have a 1500 watt amp with a ten meter tank coil wound
> with #6 solid copper wire. After about 30 seconds key down CW the coil
> is uncomfortably hot to the touch.
What I typically see is 1/4 to 3/8" tube or 1/2 to 5/8" wide copper 
strap maybe 1/16" thick.
Take a look at one of the old B&W 850A tank coil units.  You should be 
able to find a photo of one some where.

73

Roger (K8RI)

>  I would estimate loss of around 50
> watts or so. I was thinking of having it silver plated and seeing what
> the difference would be. I realize at the 1500 watt level, 50 watts is
> almost nothing at the RX end. I'm just curious.
>
> 73, Bill W6WRT
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