File:330-PS-3157 (17204902720).jpg
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| Description | 330-PS-3157 : Gypodyne Completes Coaxial ‘Copter Test Program for Navy. The Navy Bureau of Aeronautics revealed that the gyrodyne coaxial helicopter, pictured here, has completed an extensive program involving flight testing to military specifications. This is the first coaxial-type helicopter to complete such tests. The coaxial helicopter was flown for a year under the Navy contract at the heliport of the Gyrodyne Company of America, Inc., St. James, Long Island, and the Navy is currently evaluating the test data acquired. Results of the tests will be made available, according to the Bureau of Aeronautics officials, to such agencies as the Air Force, Army, and the National Advisory Committee for Aeronautics to permit evaluation for future coaxial helicopter designs, January 30, 1953. (5/5/2015). |
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| Source | 330-PS-3157 |
| Author | National Museum of the U.S. Navy |
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This image was originally posted to Flickr by Photograph Curator at https://flickr.com/photos/127906254@N06/17204902720 (archive). It was reviewed on 10 July 2018 by FlickreviewR 2 and was confirmed to be licensed under the terms of the Public Domain Mark. |
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This file is a work of a sailor or employee of the U.S. Navy, taken or made as part of that person's official duties. As a work of the U.S. federal government, it is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | ||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 05:29, 10 July 2018 | | 2,952 × 2,196 (1.65 MB) | Hiàn (alt) (talk | contribs) | Transferred from Flickr via #flickr2commons |
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