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.

German supplier Continental says it is close to production for wheel hub motors that integrate braking, whether the customer ...

The twin prop-rotor prototype, weighing 115lb and powered by batteries, offers stability across all flight regimes.

Source: NASA/JPL The most striking difference between Ingenuity and a more traditional multicopter is the choice to make it a dual-rotor design. There would have been no way to go with a ...

Case IH recognized for first-class agricultural innovation from American Society of Agricultural and Biological Engineers.