A rotorcraft is a class of aircraft that uses large-diameter rotating wings to accomplish efficient vertical take-off and landing. The class encompasses helicopters of numerous configurations (single ...

Unmanned aircraft developer Rotor Technologies is working through regulatory approval of a remotely piloted helicopter based on Robinson Helicopter’s R44, with hopes of tapping into the aerial ...

It’s got the usual trappings of a drone, but with only a single rotor it clearly can’t be called by any of the standard multicopter names. Helicopter? Close, but not quite, since the rotor ...

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.

"We're developing this large aircraft concept with six rotors and 36 blades that could fly its own science payload around Mars. So that is kind of where our focus is in the helicopter world right ...

Six days later, the helicopter beamed back images that showed it had sustained severe rotor-blade damage and would no longer be able to fly. Read more: NASA Ingenuity: Meet the woman launching a ...

report into the crash found cockpit pedals had disconnected from the tail rotor, which had caused the helicopter to spin out of control. The final report into the crash has yet to be released but ...