Have you ever noticed that military and recreational drones have four propellers, but helicopters have three? Here's ...

In Japanese mythology, dragons aren't the fire-breathing, treasure-hoarding monsters you'll find in Tolkien, Martin, et al.

Cooper Taylor built a drone with an innovative tilt mechanism that eliminates the need for extra motors. He hopes to make ...

The entire rotor head, comprised of all the above devices and more, is a masterpiece of mechanical complexity. With the development of small drones in the 2000s, quadcopters became a ubiquitous ...

Through extensive flight tests earlier this year, Lockheed Martin's Sikorsky has proven the capability of a "rotor blown wing" unmanned aircraft system that can fly like a helicopter or an ...

Sikorsky demonstrates a rotor blown wing tail sitter drone can transition between helicopter and fixed wing flight modes. [Courtesy: Sikorsky] Lockheed Martin’s Sikorsky has successfully flown ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. On March 8, in the ocean between Iran and the Arabian Peninsula, the ...

Manufacturer Rotor Technologies this week flew its R550 Sprayhawk—which it calls the largest spray drone in the world—at Perot Field Fort Worth Alliance Airport (KAFW) during the National ...

A quadcopter is a drone or unmanned aerial vehicle (UAV) with four rotors, each with its own motor and propeller. Quadcopters are utilised for pipeline and infrastructure inspections, while ...

BEIJING, Jan. 16 (Xinhua) -- For a drone with four propellers, also known as a quadcopter, the failure of one motor is a big problem. With only three rotors working, the drone loses stability and ...

The drone is a 115-pound, battery-powered twin prop-rotor aircraft that the company said can be scaled larger, “requiring hybrid-electric propulsion.” The company designed the vertical take ...