Missing tail-sitting rotor wing aircraft: very few components that aren't used in both modes of flight. Thor: http://spectrum.ieee.org/automaton/robotics/drone

Missing tail-sitting rotor wing aircraft: very few components that aren't used in both modes of flight. Thor: http://spectrum.ieee.org/automaton/robotics/drones/thor-transformer-drone-hovers-and-cruises-with-no-compromises http://spectrum.ieee.org/automaton/robotics/drones/thor-tran...