I added a boundary layer splitter plate.
That is the yellow part just above the rad.
The slot goes all the way straight back to bypass the boundary layer.

One of the big advantages of this system is it is very
easy to change. If you need more cooling you can increase
the rad angle. If that does not work it is a simple matter
to install a larger rad. No need to make a completely
new compound curved duct.

Paul Lamar

-Joseph Berki wrote:

Paul,
  Nice drawing.  Like the EZ installation.  I think I abandoned the
strake/cowl closeout area for locating rad and oil cooler.

Joe Berki

If you do want to use it with a thrust augmentor you could
enclose the exit and have the augmentor suck the air out of the back
side. That (in theory) might negate the downside of having the exit duct
wall too close to the back side of the rad. At cruise speed where
the augmentor does not work as well...  not as much cooling is needed.
Another possibility is put louver flaps under the rad that open when
the thrust augmentor is not working.

This rad mounting approach has a lot of flexibility.

Paul Lamar

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