A quadcopter or quadrotor is a type of helicopter with four rotors. The small size and low inertia of drones allow the use of a particularly simple flight control system, which has greatly increased the practicality of the small quadrotor.
Paviljongen, Kongsgata 24, 4005 Stavanger, Norway
Ckalova ul., 71, Uporovo, Tumenskaa obl., Rossia, 627180
87C2+C8 Uporovo, Tumenskaa oblast', Rossia
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