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

An experimental new drone gets around this problem, by only tilting its rotors. Developed by a team at the University of California - Berkeley, the aircraft is known as QUaRTM, which stands for ...

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

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 ...

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 ...

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 ...

Drone delivery is already happening in some ... but with all those buzzing rotors filling the sky, it could also be very noisy. For NASA, it throws up an intriguing problem: how do you advance ...

tank. Rotor CEO Hector Xu says the autonomous choppers can cover 240 acres per hour - a vast leap forward over many of the spray drone technologies on the market today. Comparison data on 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 ...

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 ...