File:Propeller Research Tunnel (15789471466).jpg

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Description This test fuselage (circa 1926) is fitted with Cowl No. 10, the prototype for the first commercial installations. Developed in the PRT to reduce air resistance around a radial engine, the NACA Cowl proved to both lower air resistance and improve engine cooling. It earned the NACA its first Collier Trophy in 1929 and rapidly became a standard appliance for radial engines.
Date circa  Edit this at Structured Data on Commons
Source Propeller Research Tunnel
Author NASA on The Commons
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(Reusing this file)		 NASA on The Commons @ Flickr Commons

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This image was taken from Flickr's The Commons. The uploading organization may have various reasons for determining that no known copyright restrictions exist, such as:
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This image was originally posted to Flickr by NASA on The Commons at https://flickr.com/photos/44494372@N05/15789471466. It was reviewed on 15 September 2016 by FlickreviewR and was confirmed to be licensed under the terms of the No known copyright restrictions.

15 September 2016

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current21:47, 15 September 2016Thumbnail for version as of 21:47, 15 September 20163,000 × 2,378 (1.13 MB)Vanished Account Byeznhpyxeuztibuo (talk | contribs)Transferred from Flickr via Flickr2Commons

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