Mike is this what you had in mind?
In a climb the bottom of the cowl is a bit higher
pressure than static. If you put the flaps in like
the foreground picture and pivot them inward  you might build some
dynamic pressure on their face. This may impede the flow through
the rad. It looks cool but I think it may not cool as
well as the background configuration.

Paul Lamar

Mike Wills wrote:

Yes Paul, that's what I was thinking about. I agree with what you say, but
still wonder if it wouldnt be good enough. I intend to try it and find out.
At least this is one of those experiments that is easy to back out of if it
doesnt work.

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