[Elecraft] heat sinking resistors

[elecraft at g4fre.com]

I used the ohmite tch35p series of thick film resistors in my power 
attenuator between k3 and transverters. They are 11x15mm but have a mounting 
flange/hole 

Dave 

ww2r 

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Message: 19
Date: Fri, 21 May 2010 13:27:11 -0700
From: Vic Rosenthal <vic at rakefet.com>
Subject: [Elecraft] OT: heat sinking resistors
To: Elecraft Reflector <elecraft at mailman.qth.net>
Message-ID: <4BF6EC9F.8050206 at rakefet.com>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed 

I apologize in advance, but the smartest guys I know are here. 

I just received a few Ohmite thick film power resistors for an attenuator 
I'm making,
rated 20 watts. They are 15mm x 10mm x 3mm. Obviously they have to be 
heat-sunk
(heat-sinked?) if they are going to dissipate that much power. 

How do you do this? There's no hole in the middle...I can just clamp them 
between a couple
of pieces of aluminum, but is there a right way to accomplish this?
-- 
Vic