DARPA's Lift Challenge tasked nearly 100 teams with building sub-55lb drones lifting a 110lb barbell plate over set distances.
AVIDrone won first place with a 3.84:1 payload-to-weight ratio, followed by MTech Operations and Xtreme Aerial Concepts.
DefendTex's unscored quadcopter hit the highest ratio overall at 9.63:1, showing a path toward DARPA's 4:1 target.
DARPA honors drone teams for light copters that carry heavy loads

