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RSS Report: McLaren working to replace windshield wipers with sound waves


Ringo64
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<p>Filed under: <a href="http://www.autoblog.com/category/sports/" rel="tag">Performance</a>, <a href="http://www.autoblog.com/category/tech/" rel="tag">Technology</a>, <a href="http://www.autoblog.com/category/mclaren/" rel="tag">McLaren</a></p><a href="http://www.autoblog.com/photos/mclaren-p1-designed-by-air/"><img alt="McLaren P1 wind tunnel testing" data-credit="McLaren" data-mep="58627" src="http://hss-prod.hss.aol.com/hss/storage/adam/752126c3c007b4bedc39fbf2f3033c0f/mclaren-wind.jpg" /></a><br /><br />Aerodynamic efficiency is the key to improving a car's performance - whether you're talking about how fast it can go or how little fuel it can consume. That's why automakers (exotic supercar manufacturers especially) are constantly trying to streamline their products - closing panel gaps, developing adaptive aerodynamic aids and even eliminating superfluous appendages altogether.<br /><br />The latest is <a href="http://www.autoblog.com/mclaren/">McLaren</a>, which wants to remove even the single wiper blade that clears droplets and debris off its expansive windshields in favor of a more high-tech solution. Its system, similar to those used on jet aircraft, would use an high-frequency ultrasonic transducer to clear the surface of the windshield, eliminating the need for a drag-producing wiper arm and blade - not to mention eliminating the weight of the motor as well.<br /><br />It strikes us as a good idea, but even if McLaren were to perfect it, that doesn't mean it would be put into production overnight. The British automaker would still have to get DOT approvals from government regulators around the world, which might not come easy on something as fundamentally integral to safety as a windshield wiper. Just look at all those concept cars with side-view cameras and then at the drag-inducing side mirrors on your car and you'll see what we mean. But with companies like <a href="http://www.autoblog.com/audi/">Audi</a> using <a href="http://www.autoblog.com/2012/05/25/audi-reinvents-the-rearview-mirror-for-its-le-mans-racers/">cameras to replace mirrors</a> on their racecars, we wouldn't be surprised to see a wiperless <a href="http://www.autoblog.com/tag/mclaren+mp4-12c+gt3/">12C GT3</a> lapping the racetrack in the near future.<p style="padding:5px;background:#ddd;border:1px solid #ccc;clear:both;"><a href="http://www.autoblog.com/2013/12/17/mclaren-ultrasonic-windshield-wiper-technology-report/">McLaren working to replace windshield wipers with sound waves</a> originally appeared on <a href="http://www.autoblog.com">Autoblog</a> on Tue, 17 Dec 2013 08:29:00 EST. Please see our <a href="http://www.weblogsinc.com/feed-terms/">terms for use of feeds</a>.</p><h6 style="clear: both; padding: 8px 0 0 0; height: 2px; font-size: 1px; border: 0; margin: 0; padding: 0;"></h6><a href="http://www.autoblog.com/2013/12/17/mclaren-ultrasonic-windshield-wiper-technology-report/" rel="bookmark" title="Permanent link to this entry">Permalink</a>&nbsp;|&nbsp;<a href="http://www.autoblog.com/forward/20790156/" title="Send this entry to a friend via email">Email this</a>&nbsp;|&nbsp;<a href="http://www.autoblog.com/2013/12/17/mclaren-ultrasonic-windshield-wiper-technology-report/#comments" title="View reader comments on this entry">Comments</a><div class="feedflare">

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