The Helicopter Department of the German Aerospace Center (Deutsches Zentrum für Luft- und Raumfahrt; DLR) DLR-Institute of Flight Systems in Braunschweig is home to the Rotor Test Stand, also known as ...

Researchers at the DLR Institute of Aerodynamics and Flow Technology are able to measure complex flow phenomena such as those that occur on helicopter rotors, and to evaluate the resulting data ...

When Hector Xu was learning to fly a helicopter in college, he recalled having a few “nasty experiences” while trying to navigate at night.

Following is a transcript of the video. This helicopter has dual-crossing rotors for increased precision The K-MAX uses a unique double rotor system where the two rotors cross each other.