The aircraft also executed 30 transitions between helicopter and airplane modes ... anticipated to showcase hover ...

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.

Aerospace giant Sikorsky announced it has conducted a series of flight tests for the rotor blown wing drone being developed ...

Although the helicopter, aptly named 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 quadcopter design ...

Sikorsky, a Lockheed Martin company has successfully validated the advanced control laws to successfully fly a ‘rotor blown ...

We’ve been following Karl Porisch, who graduated from Mankato State in 1968 and completed Marine Corps officer and helicopter flight training. The Marines assigned Karl to Okinawa, while his spouse ...

Weighing 115 pounds, the rotor blown wing UAS has a twin proprotor, which takes off in a fashion similar to a helicopter and can then “transition” to horizontal forward flight for “long-endurance ...