Полет тяжелого квадрокоптера - Heavy quadrocopter (UAVP) flight

Test flight. Weight copter only - 1800 g., motors AXI 2820/14, 14“ APC props, 5800 mAh, 11,1 V battery, flight time with 1600 g. payload and one battery - 7 min, with 1300 g. payload and 2 battery - 14 min. Hovering on a 2/3 gas. Projected for Canon MarkII.