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Date: Wed, 20 Sep 2006 13:18:35 -0400
From: Ernest Christley <echristley@nc.rr.com>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] finned aluminum sheets?
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Russell Duffy wrote:

> Greetings,
>  
> As I pre-think some things I want to try next, one of the thoughts is 
> to make the oil pan into a significant oil cooler if possible.  My 
> proposed single rotor applications will have the engine out in the 
> breeze, so it seems worthwhile to try to get as much cooling as 
> possible from the airflow. 
>  
> The best way I can think of to do this would be to use a thin aluminum 
> plate for at least the bottom of the pan.  Ideally, it would 
> have heatsink fins on both sides (milled away for the pickup tube on 
> the inside).   Has anyone ever seen aluminum with fins on both 
> sides?  Does anyone have a good source for finned aluminum of any type?  
>  
> Thanks,
> Rusty (sure don't want to mill my own)

Here's the best candidate I could find:

http://www.thermaflo.com/foldedfin.shtml

-- 
         ,|"|"|,              Ernest Christley       |
----===<{{(oQo)}}>===----    Dyke Delta Builder      |
        o|  d  |o        http://ernest.isa-geek.org  |