Newly established UK unmanned air vehicle manufacturer Dragonfly Air Systems is planning to fly a twin ducted-fan, short-range tactical unmanned air vehicle in late August and has begun constructing a ...
BOSTON (CBS) – A Boston startup is giving drones a new look that could make a big difference in security and safety. Cleo Robotics is putting the propellers inside. "What we've done is a leap forward ...
Initial performance and noise studies conducted in the wind tunnel show that an open rotor engine with counter-rotating propellers in pusher configuration will have margin for Stage 4 operations and ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback