For conventional vertical takeoff and landing rotors on vertical shafts are the most common solution, as seen in helicopters and multirotors. A much less popular solution is the cyclocopter, which ...

The Rotodyne might have looked like part helicopter, part plane, but it was actually neither. Where a helicopter uses engine power to spin a rotor blade to force air down and create lift, on a ...

Ordinarily on a helicopter, the main (top) rotor is mechanically linked to the tail rotor, so the spinning of the former causes the latter to do likewise. An experimental new system replaces the tail ...

A strange helicopter has been making test flights in the south of France. Built by French company Airbus Helicopters, it looks a bit like what would happen if a regular helicopter and an airplane ...

Two 30-meter tall Rotor Sails have been installed onboard the product tanker vessel Maersk Pelican targeting a reduction in fuel cost and associated emissions on typical global shipping routes of 7-10 ...

BLOOMSBURG, Pa. (AP) — A helicopter pilot is dead after officials say he walked into the aircraft’s spinning rotor while giving rides at Pennsylvania’s largest fair. Organizers say 69-year-old Carl ...