FIELD: agricultural aviation for spraying liquids in ultra-small volumes. SUBSTANCE: standard tractor propeller is mounted in superlight flying vehicle in its vertical plane; propeller blades have channels terminating in injectors. These channels are brought in communication with reservoir filled with liquid to be sprayed through propeller hub, hollow shaft of reduction gear, hose and cutoff cock. Screened ring mounted around propeller is used for calibration of drops of liquid and protection of propeller. EFFECT: simplified construction; improved performance characteristics; even spraying and reduced consumption of liquid. 2 dwg
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