Humpback whales inspire new helicopter rotor blade design

After observing humpback whales, a group of researchers at the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) in Göttingen have discovered and flight-tested a way to increase maneuverability and speed of helicopters. The findings could also improve the passenger comfort by lowering the resulting vibration caused by the main rotor. Although helicopters… »