I am working on my Sun n Fun forum talk next week.
I will start with Dave Leonard's interview video and
our RX8 races a turbo RV6 video and then slip into
cooling system design with good and bad examples. The
videos are on the web site below under what's new.

What is wrong with these cooling system designs?

Picture of round intake by permission of Bernie Kerr.
Consider this a quiz for all you people that have been
on here for years :)

Paul Lamar

Pick me, pick me!

#1 has too little duct lenght and no expansion profile to slow the
incoming air so that it can pass through the core.  End result is, at
higher airspeeds, air will dam up and simply go over the cowl rather
than through.

#2 appears to be the same thing, only in actual reality.

#3 Radiator behind hot object (motor).  Since delta t is everything in a
cooling system, pre-heating the air is bad.  Proximity to the
firewall.... no smooth friendly ducting to 'encourage' proper airflow
through core.

Chris C

You get a B Chris :) On a scale of D- to A+
  
Paul Lamar
 
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