Dan,
Something occurred to me as I was looking at your cowl pictures.
You stated that the outbd sides of the slot-scoop are going to provide cooling 
air to the bottom of the engine. If you do that, won't that cause air to 
stagnate inside the cowling and overheat the engine?  The cooling air from the 
upper openings behind the prop is high pressure.  By allowing high pressure air 
to the bottom of the engine, haven't you effectively shut off the flow of air?  
To achieve proper cooling, you'll need high pressure / volume air at the top / 
front of the engine flowing into a low pressure area below and aft of the 
engine.  In other words, you're needing a pressure differential to achive flow. 
 I think that maybe you should block off the lower side openings and use the 
scoop only for carb air, or at least be prepared to do that during flight 
testing.

Dan Heath <da...@alltel.net> wrote:
If you want to see the pics, go to http://kr-builder.org/Cowl/index.html 
They are the first 7 pics and as always, you can click on any pic for a
larger view.




Scott Cable
Jamestown, ND
s2cab...@yahoo.com

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