Paul,
We are redesigning our radiators for our Eggenfellner 3.6L engine on our
Sportsman 2+2. We have studied your book and see discussions of various
factors that affect cooling. Our plan is to make the radiators about 68%
larger in frontal area. We have room in the cowl for that. However, what
we can't get our minds around is whether we should stay with the 3 1/4"
thick core or choose a thinner core.
Our Sportsman will probably climb from 75 to 90 mph. And yes, the
radiators are still in their original position left and right of the
PSRU, but we have the "custom" Sportsman cowl Jan sold us which have the
new, larger "oval" openings.
Thanks for your thoughts on this situation.
Dee
--
DeWitt Whittington
That is a less than Ideal location as the distance from the core to the
opening does not leave a lot of room for a proper K & M diffuser.
A larger opening will definitely help the cooling but not
the cooling drag. I would not go to a thinner core yet.
Try it out with the new cores you have first. The idea is
to get it to cool first. Another problem with that configuration
is the back side of the cores are too close to the engine. Page 45,46 & 47.
The engine pretty much fills the cowl so there is not a lot of
room to work with inside the cowl.
A quick an simple cooling system page 39 is guaranteed to work.
How is your oil temperature?
I published some of your old pictures so the new guys know what we
are talking about.
Paul Lamar
What a neat installation! I can't think that I've ever seen such detail on a
production aircraft. I'm saving the photos for inspiration!
Pierre Swanepoel
South Africa
Cosmetics sells regardless of how well it works :)
That is true for all products.
Paul Lamar
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