[Boatanchors] Interesting place to find HV and amp parts . . .

[Carl]

I designed and built those style transmitters for a machine 
manufacturer, several ran 10 KW output water cooled triodes. They were a 
slightly larger version of this:

http://www.landlmachinery.com/files/6960A.pdf

Carl
KM1H



----- Original Message ----- 
From: "Bob Hardie- W5UQ" <W5UQ at verizon.NET>
To: "david freeman" <_dave.f at mail.com>
Cc: <boatanchors at mailman.qth.net>
Sent: Wednesday, February 04, 2009 6:34 PM
Subject: Re: [Boatanchors] Interesting place to find HV and amp parts . 
. .


>I used to work and maintain one of those transmitters... I mean seam
> sealers.
>
> A "Tent and Awning" company in Tulsa asked me to come out and look at
> their splicer.  I was saying, "what????"   Well, I was a consulting
> engineer and decided to go look.  This was in the 80's.  When I got
> there I found basically an AM transmitter that caused enough RF in the
> BIG BAR that was several feet long, that it melted the plastic, or
> whatever materials, together.  I fixed the transmitter and it worked.
> I have to admit that this was, at first thought, strange.  But it 
> turned
> out to be "simple"..... A transmitter to splice material together???? 
> oh
> well.......
>
> Live and learn...
> Bob  W5UQ
>
> david freeman wrote:
>> My sister and her husband own and tent/awning shop. They use a number 
>> of RF seemers to melt the vinyl canvas together. The two pieces of 
>> vinyl are smashed between two aluminum bars about 18" long. The bars 
>> serve as part of the capacitance in the tank circuit (I think). I 
>> look at their machinery and see some pretty heavy duty parts that 
>> would easily make a multi-kW rig.
>>
>> Dave, WW8S
>>
>>> ----- Original Message -----
>>> From: butwheat <butwheat73 at gmail.com>
>>> To: boatanchors at mailman.qth.net
>>> Subject: [Boatanchors] Interesting place to find HV and amp parts . 
>>> . .
>>> Date: Wed, 4 Feb 2009 10:16:50 -0500
>>>
>>>
>>> Strange place to find these parts:
>>>
>>> http://www.landlmachinery.com/Parts.html
>>>
>>> HTH es 73 de Mark KX8XX
>>> ...-.-
>>>
>>> .
>>>
>>> .
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>>
>>
>>
>>
>>
>


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