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This invention describes a drone designed for spraying agricultural fields. It carries a liquid reservoir and a spray gun. The drone's multiple rotor blades are mounted on drive shafts that are specifically angled relative to the spray gun's output, with the angles being equal in magnitude and co-planar with the spray axis, using the downward airflow from the rotors to help push the sprayed liquid down onto the crops.
Why it matters: Since 2018, agricultural drone technology has matured significantly, offering improved battery life, payload capacity, and autonomous flight capabilities. Regulatory frameworks for commercial drone spraying have also become more established, making large-scale deployment more practical.
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