$5000.
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-tran...
$5000.
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-tran...