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File:Looking down the throat of a Wind Tunnel GPN-2000-001762.jpg

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Description Looking down the throat of the world's largest tunnel. The scene is NACA's 40 x 80 foot wind tunnel at Ames Aeronautical Laboratory, Moffett Field, California. The camera is stationed in the tunnel's largest section, 173 feet wide by 132 feet high. Here at top speed the air, driven by six 40 foot fans, is moving about 35 to 40 miles per hour. The rapid contraction of the throat (or nozzle) speeds up this air flow to more than 250 miles per hour in the oval test section, which is 80 feet wide and 40 feet high. The tunnel encloses 900 tons of air, 40 tons of which rush through the throat per second at maximum speed. Dwarfed by the immensity of the tunnel structure, the experimental model seen here is actually almost 50 feet long. Embodying a sharply swept-back wing suitable for supersonic flight, it is undergoing tests designed to improve the landing characteristics of this type of airfoil. Mounted on struts connected to scales under the test section, it is "flown standing still" while each element such as lift and drag is measured and air pressures occurring across the wing are recorded. Information gathered from such tests were made available to the nation's aircraft manufacturers by the NACA, an independent agency of the U.S. Government.
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Source Great Images in NASA: Home - info - pic
Author NACA
This image or video was catalogued by Ames Research Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: A-16044.

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This image or video was catalogued by Great Images in NASA of the United States National Aeronautics and Space Administration (NASA) under Photo ID: GPN-2000-001762.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.
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العربية ∙ беларуская (тарашкевіца) ∙ български ∙ català ∙ čeština ∙ dansk ∙ Deutsch ∙ English ∙ español ∙ فارسی ∙ français ∙ galego ∙ magyar ∙ հայերեն ∙ Bahasa Indonesia ∙ italiano ∙ 日本語 ∙ македонски ∙ മലയാളം ∙ Nederlands ∙ polski ∙ português ∙ русский ∙ sicilianu ∙ slovenščina ∙ Türkçe ∙ українська ∙ 简体中文 ∙ 繁體中文 ∙ +/−

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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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current14:34, 8 October 2007Thumbnail for version as of 14:34, 8 October 20072,945 × 1,966 (2.73 MB)CarolSpears (talk | contribs){{Information |Description=Looking down the throat of the world's larget tunnel. The scene is NACA's 40 x 80 foot wind tunnel at Ames Aeronautical Laboratory, Moffett Field, California. The camera is stationed in the tunnel's largest section, 173 feet wid

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