If you’ve ever seen a commercial-scale wind turbine in real life, then you’ll know that they’re huge – a single blade can be as long as 60 meters (197 feet). Researchers from Denmark’s Risoe DTU ...
Boeing plans to test and develop a trailing edge variable camber (TEVC) system for the 787 which it says will reduce cruise drag and save the equivalent of between 340 and 450kg (750-1,000lb) in ...
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