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Re: [Amps] Tranformer construction webpages

To: <jtml@vla.com>, <amps@contesting.com>
Subject: Re: [Amps] Tranformer construction webpages
From: "Carl" <km1h@jeremy.mv.com>
Date: Tue, 23 Feb 2010 12:28:30 -0500
List-post: <amps@contesting.com">mailto:amps@contesting.com>
I agree John, that is a first class presentation. Ive reused old power 
transformers way in the past for 4-1000A filament transformers and a few 
other tubes but nothing Id allow to be photographed (-;

Carl
KM1H




----- Original Message ----- 
From: "John Lyles" <jtml@losalamos.com>
To: <amps@contesting.com>
Sent: Tuesday, February 23, 2010 12:17 PM
Subject: [Amps] Tranformer construction webpages


>I agree with Steve, Manfred's treatise on transformer construction is first 
>class. Loaded with very practical advice and it demonstrates that he has 
>much experience in making transformers. I only made one in my life,
> in college at Virginia Polytechnic, as part of a lab course, we had to 
> make a small power transformer. Most of the guys (there were no girls in 
> that class!) couldn't get their winding on a bobbin without it falling off 
> the edges,
> and for some reason I decided that a piece of tape across each layer, plus 
> putting glue (not varnish) in the ends to seal it tight would make it stay 
> together. Some patience needed also. Mine did work, transformation 
> correct, and I may have  gotten
> an A grade in that lab, but that's as far as my transformer design 
> experience went. But Manfred's website makes it look fun and - well, not 
> exactly easy - explains the sorts of tricks are needed to make a tight, 
> compact,
> reliable and functional power transformer. Thanks for putting that 
> together and in the public domain.
>
> 73
> John
> K5PRO
>
>> Message: 3
>> Date: Mon, 22 Feb 2010 22:12:28 EST
>> From: K1SG@aol.com
>> Subject: Re: [Amps] Transformer winding
>> To: amps@contesting.com
>>
>> Manfred, your transformer winding page is a delight, loaded with good
>> information.
>> Thanks for the excellent information and practical suggestions!
>> One question...I see your name in your postings, but never your callsign.
>> What is it?
>>
>> Steve  Gilbert
>
>
>> http://ludens.cl/Electron/trafos/trafos.html
>
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