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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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