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Old 10-18-2009 | 04:04 PM
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R8893
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Default RE: naca foil datas

I have a book called "Handbook of Airfoil Sections for Light Aircraft" that has a lot of them. You might find a copy at a used book dealer. Note that the data is for a Reynold's Number at full-size aircraft dimensions.
In my opinion, but I'm not an aeronautical engineer, there is not a significant difference between them. I use the NACA 2315 because the high and low points are both at 30% which makes for clean design of the spars and a D-tube wing.
Chuck
EDIT
I just looked at the link Wellss gave and it is the same graphical data as in the book I have.