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[Amps] 20kw Dummy load?

To: Amps <amps@contesting.com>
Subject: [Amps] 20kw Dummy load?
From: Robin Szemeti <list@redpoint.org.uk>
Reply-to: list@redpoint.org.uk
Date: Thu, 12 Aug 2004 22:06:23 +0100
List-post: <mailto:amps@contesting.com>
Hi,

I need to use / beg / borrow / steal a decent dummy load to test this 
amplifier out .. running into its intended load I've had a couple of DC 
flashovers *somewhere* and I'd like to run the amp up into a dummy load, just 
to prove it to myself  ...  

anyway ... has anyone got, for loan or whatever, a 50 ohm, 50mhz dummy load, 
capable of standing around 20kw CW for at least 5 minutes, water cooling is 
OK, we can do that.  Ideally it should be 3 1/8" EIA flange,  but I'm 
prepared to get busy on the lathe to make up a fitting if I have to. 

Actually, Id even settle for a gigantic 50ohm resistor that I could watercool 
myself, not averse to a bit of lathe work to make a water jacket for it. Are 
normal carbon tubular ceramic resistors OK in a water jacket or do you  need 
'special' ones btw?

I'm UK based ...

-- 
RapidCut CNC Technology

CNC Plasma Cutter
http://www.rapidcut.co.uk/
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