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From: "Ed Anderson" <eanderson@carolina.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-1035330@logan.com>
Subject: Re: [FlyRotary] Re: finding a radiator
Date: Wed, 15 Mar 2006 20:35:16 -0500
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Hi Chris,

If you have that much length available for a duct, then I agree.  The 
streamline duct is the way to go (in my opinion).  I have a max of 6" duct 
length (outside) and a minimum of 3" (on the inside), so for those short 
distances the Exponential horn may be more suitable.

Ed
----- Original Message ----- 
From: "the mallorys" <candtmallory@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Wednesday, March 15, 2006 5:50 PM
Subject: [FlyRotary] Re: finding a radiator


> Ed,
>
> I did some plotting, and here is what I came up with:
> The red line is a straight sided square duct,
> Light blue is the exponential Horn duct square,
> Brown is the streamline duct square.
>
> I don't know if the exponential horn differs enough from a straight line 
> to
> make a difference.
>
> Chris
>


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