To start the wing building process, I first had to select an airfoil. I used Harry Riblett's book "GA Airfoils" as my primary reference. I chose one of his "cleaned up" NACA laminar flow airfoils. I chose the 37A215 airfoil. It is basically NACA 64 series airfoil with its thickest point at 37% aft and 14.5% thick. I am keeping it 14.5% thick for the entire wing span. Thanks Mr. Riblett. (The book can be purchased from the EAA bookstore, see my Links page.)

In order to make ribs, I had to draw them with great accuracy. To do that I used a program by Eric Sanders, called "CompuFoil Professional". It is a great tool for plotting an airfoil. It produces CAD ready DXF files. It has many other great features. Take a look at Eric's homepage at: http://www.compufoil.com/.

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