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Posted for Sky2high@aol.com:
How large is your NACA duct?
The inlet rectangular opening equals the area of a 3 inch diameter tube - 1.5**2 times pi= 7 square inches. I think it is about 1.5 inches deep by about 4.75 inches wide. Scott Krueger
Sky2high@aol.com
II-P N92EX IO320 Aurora, IL (KARR)
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