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Old January 15th, 2016, 04:37 PM   #1
Dancecat
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Aircraft design

For the past six years, 130 NASA employees have been hard at work on a laundry list of new airplane technologies that could change how planes are designed. The program is called ERA, or Environmentally Responsible Aviation, and its mission is to dramatically reduce air travel's environmental footprint by slashing plane emissions by 75 percent and reducing the fuel they consume by half. Another goal? To drastically cut down noise pollution, the primary impediment to expanding or building new airports. Oh, and push a list of emerging technologies, each designed to accomplish these goals, into the mainstream fleet. By 2025.
Last month, one of the ERA’s innovations was the subject of a new deal between its inventor and a manufacturer. The tech? A wing that morphs while the plane is in flight.
Even things as fundamental as where engines and other details are located on a plane could change based on ERA's research. In one case, the team created their own version of an unmanned experimental plane designed by Boeing called the X-48C. They modified the original design by taking the "winglets" on the end of each wing and moving them to a seemingly odd position on the end of the plane’s body, just next to its engines. According to NASA, this made them more like tails than winglets, reducing the decibels created by drag as well.
Based on this experiment, future plane designs might use similar ideas to operate more quietly and cleanly. Another concept, called distributed propulsion, was recently highlighted in a video by The New York Times that showed an experimental wing with many small engines along its length. fastcompany.com
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Old January 16th, 2016, 01:30 PM   #2
cool2015
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Dancecat this information is really informative thank you for sharing this here.
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