Incredible video posted by Youtube user gasturbine101 of what appears to be the flight testing of a home-built, multirotor aircraft. Technical specs as per the video description:
The Swarm man carrying multi-rotor airborne flight testing montage. 54 counter-rotation propellers, six grouped control channels with Hobbyking stabilization. Take of weight 148kg, max lift, max approx. lift 164kg. Endurance10 minutes.
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