A Brushless DC (BLDC) motor does away with the need for a mechanical commutator (moving part). Not having rotating mechanical components results in a more durable and reliable machine.

BLDC motors are generally smaller and considerably lighter than brush-types. This makes them especially useful in products that are tight for space and need to be lighter—like consumer drones.

Without getting too technical, brushless motor drones experience less wear and power loss. The initial cost of using BLDC motors is higher, but the greater overall efficiency soon offsets this.

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