[Amps] Alternative cooling strategies for SB-220?

[Carl]

Thats real interesting as I was teamed on a jeep mounted transmitter/amp 
Army project at National using the same tube. That thing was a bear to 
stabilize 2-30 mHz.

Carl
KM1H


----- Original Message ----- 
From: "RK" <robrk at nidhog.net>
Cc: "amps" <amps at contesting.com>
Sent: Thursday, December 17, 2009 8:13 PM
Subject: Re: [Amps] Alternative cooling strategies for SB-220?


> Ron Youvan wrote:
>>> ... can you narrow it down a bit beyond 'the fifties'? I have most QSTs 
>>> from that era
>>>
>>  > but if you or anyone can narrow it below 120 issues ...
>>
>>    If all else fails look in the back of the December issues, at the 
>> annual index then you have only
>> 10 issues to search.
>>
> !2 seconds on the ARRL site and QST archives with the word "steam" finds
> May 1966, "Stanley Steamer" by Quinn, W6MJG.
> Uses a grid driven 4CV1500B (4CX1500B).
>
> -- 
> This message has been scanned for viruses and
> dangerous content by MailScanner, and is
> believed to be clean.
>
> _______________________________________________
> Amps mailing list
> Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps