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File:Evolution of the Airfoil - GPN-2000-001299.jpg

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English: The historical evolution of airfoil sections, 1908-1944. The last two shapes are low-drag sections designed to have laminar flow over 60 to 70 percent of chord on both the upper and lower surface.
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Source Great Images in NASA Description
Author NACA
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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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This image or video was catalogued by Langley Research Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: GPN-2000-001299 and Alternate ID: L-1990-04334.

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current04:13, 9 April 2009Thumbnail for version as of 04:13, 9 April 20092,400 × 3,000 (1.29 MB)BotMultichillT (talk | contribs){{Information |Description={{en|1=The historical evolution of airfoil sections, 1908-1944. The last two shapes are low-drag sections designed to have laminar flow over 60 to 70 percent of chord on both the upper and lower surface.}} |Source=[http://dayton

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