Why the quad-rotor configuration has not been adopted as an actual aircraft?

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Quadrotor configuration I think is the most common configuration for drones. Why has it not been made into a full-size production aircraft? I think that it could be better than helicopters as it does not need a tail.

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Anonymous 0 Comments

Different operating principles, helos are driven by 1 to 2 engines and they increase lift primarily by increasing the angle of attack of the blades, quads primarily increase lift by increasing the thrust of each motor. So we would need a super complicated fly by wire, 4 collective, 4 cyclic system to drive a quad powered by an engine, we can’t drive the blades directly because they wont be able to change thrust fast enough.

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