File:330-PS-3097 (USN 708766) (16769982284).jpg
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| Description | 330-PS-3097 (USN 708766): New Navy Foam Fire-Fighting Truck. Mounted on a conventional crash truck, a new aircraft crash fire-extinguishing system, developed by the Naval Research Laboratory, under the sponsorship of the Bureau of Aeronautics, produces twice as much foam as previous systems. It can cover a burning airplane with approximately 15,000 gallons of a thick sticky fire-smothering blanket of foam supplied by two pumps on the truck. The improved system is the result of the new designs in nozzles and pumps with two 150-hp engines to power two separate foam-making systems. Air, water, and foam concentrate are whipped together in egg-beater fashion, and the resulting micro-bubbled foam is fleeced out through two distributing nozzles on the front fenders of the truck. These nozzles are pivoted and continuously adjustable by the operator from his position on a “bridge” above and behind the cab of the truck. By pushing a button the operator can widen his foam streams, operating a protective cone of 7,000 gallons of a foam a minute. Tanks hold 1200 gallons of water and 80 gallons of foam concentrate sufficiently for two minutes of continuous, high-capacity operation, November 10, 1952. (5/5/2015). |
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| Source | 330-PS-3097 (USN 708766) |
| 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@N06/16769982284 (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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| current | 05:30, 10 July 2018 | | 3,016 × 2,404 (899 KB) | Hiàn (alt) (talk | contribs) | Transferred from Flickr via #flickr2commons |
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