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NACA Duct Design?

To: Vintage Race Mailing List <vintage-race@autox.team.net>
Subject: NACA Duct Design?
From: tinkersdamn@abac.com (Steve Bush)
Date: Mon, 22 Jul 1996 20:26:02 -0700
I am restoring a 1972 B/SR car that originally had large NACA ducts in 
the doors.  These ducts the aerodynamic ducts still used in sports 
racing cars and the windows of NASCAR cars.  I know there is a very 
strict formula for their design but have been unable to find it.  Does 
anyone know the formula for the dimensions or somewhere to search?

Thanks for the help.

Steve Bush (San Diego, CA)

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