HP required is proportional to the cube of top speed while cooling
air flow only increases with the square of speed. That is the
fundamental problem cooling an aircraft engine running flat out.
That is also why we offer an Everett Hatch Memorial Fund $500
prize to the first NA 13B averaging  over 200 MPH in a sanctioned
cross country race of at least 100 miles.  If your cooling system
works well enough for this I would consider the problem solved.

Tracy claims his RV4 goes 214 MPH which should be sufficient.
However he has declined in the past to enter the  annual Sun 100 race
at Sun & Fun in April. :) How about this year Tracy?

Paul Lamar

2003 (next S'n F) may be the year I'm ready to try it.  Main reason I
haven't been ready in the past is no time to review race course and
landmarks for turns.  Very important if you hope to have any chance of

doing

well.

Tracy

Hi, Tracy.....just a thought....If you can plug in the coordinates of the
turn points on a handheld GPS, you can't miss.  In my Appollo Precedus, I
can plug in the turn locations, and it will map out a route for me, showing
if you are right or left of the centerline for the entire route. Hope this
helps. Paul Conner, Mobile, AL

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