UnmannedRC X550 is a carbon fiber and fiber glass composited 550mm size quadcopter the frame weight is only 658.5g.

UnmannedRC X550 is an ideal quadcopter frame for training, educational, as well as lightweight payload DIY or academic quadcopter which its adaptable appearance allows to accommodate test equipment of all shapes and sizes.

UnmannedRC X550 works with MAD 6S 8000mAh Lipo battery*1

Specifications:
Dimension: 550*300mm
Diagonal Wheelbase: 550mm
Weight: 658.5 g (frame kit)
Max takeoff weight: 4kg
Max Pitch Angle: 30°
Max Ascent Speed: 5 m/s
Max Descent Speed (vertical): 3 m/s
Max Wind Resistance: 10 m/s
Max Service Ceiling Above Sea Level: 1000 m
Max Flight Time: 25 min (no payload with MAD 6S 8000mAh Lipo battety)
Recommand to use following:
H12 Skydroid Controller, H16 Skydroid Controller OR SIYI UniRC 7 Controller