This APC AP09030N 9x3N narrow propeller is an RC-scale replacement blade for aircraft designed to accept a narrow-hub 9x3 propeller. It is made as a molded plastic blade intended to act as a spare or tuning choice for small electric models requiring a narrow hub.
Fit this propeller only if the hub profile and bore match your model's mounting hardware. Confirm the propeller seats properly on the hub, runs true without wobble, and is secured by the correct retention method for your installation. Because shaft and hub interfaces vary, always verify compatibility instead of assuming universal fit.
A narrow-hub 9x3 prop like this one is often used to tune static thrust and motor load in small electrics. Balance the blade, inspect for deformation or cracks, and follow recommended safety procedures during handling and testing.
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