Lockheed Martin subsidiary Sikorsky has successfully flown an electric-powered, 115-lb (52-kg) autonomous drone that uses what it calls a "rotor blown wing" to fly like both a helicopter and an ...

You're currently following this author! Want to unfollow? Unsubscribe via the link in your email. A Chinese aviation firm has built the first prototype of a large tilt-rotor drone that can carry a ...