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DLR and NASA: making the helicopters of the future quieter

13 April 2011

A helicopter relies on its rotor to be able to take off and land vertically. The rotor is also responsible for the noise a helicopter makes during flight. Researchers at the German Aerospace Center (DLR) in Göttingen and NASA are investigating the exact origin of this rotor noise. The aim is to make the helicopters of the future quieter.






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