The prevalence of multi-rotor drones has increased dramatically in recent years, but in headwinds, they pitch upwards unpredictably. Engineers from Tohoku University, Japan, have shown that angling the rotor blades of a quad-rotor ...
Engineering
Feb 9, 2018
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33
A toy helicopter created from cannibalised smartphones was among the main attractions at a huge toy show in Tokyo on Friday, where producers were targeting the young and the young-at-heart.
Consumer & Gadgets
Jun 14, 2013
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0
The unmanned aircraft known as drones, used by hobbyists, researchers and industry to take aerial images and perform other tasks, are growing ever more popular—and smaller. But that miniaturization, which has produced drones ...
Engineering
Jun 18, 2019
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11
(AP) -- The pilot eased his five-ton helicopter toward the glacier's rumpled surface, aiming for the lightest of setdowns atop one of the fastest-flowing ice streams on Earth.
Earth Sciences
Aug 15, 2011
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Until now most adhesives have been manufactured from petroleum-based materials. However, they can also be obtained from renewable raw materials -- for example from proteins, natural rubber, starch, or cellulose. Fraunhofer ...
Materials Science
Jul 2, 2012
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0
In very cold climate zones, the wind can blow with tremendous force. But wind turbines have rarely been built in these regions up to now. The risk of ice formation on the rotor blades is just too high. But now, an energy-efficient ...
Engineering
Dec 1, 2014
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0
Active systems in helicopter rotor blades can adapt the blades' aerodynamic properties to local airflow conditions. The use of such systems leads to lower fuel consumption, increased maximum speed and reduced noise and vibration. ...
Engineering
Mar 6, 2013
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0
It is easy to lose track of things in large storage facilities but not at the wind turbine manufacturer Enercon's facility in Magdeburg though, where a positioning system with digital inventory management increases transparency ...
Electronics & Semiconductors
Apr 3, 2013
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0
Scientists at the Fraunhofer Institute for Wind Energy and Energy System Technology IWES in Kassel are testing the complex control system of wind turbines under real conditions in the laboratory before they are built into ...
Energy & Green Tech
Feb 14, 2013
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0
Wind turbines have a design life of 20 years. The rotor blades must be regularly inspected at least once every four years to verify their structural integrity. This type of work is performed by industrial climbers. But the ...
Engineering
Dec 1, 2017
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