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Propeller is usually composed of blade and hub. Ordinary propeller often 3 or 4 blades, 2 blades propeller is used only for boats. Large ships to avoid vibration normally use 5 or more blades propeller. Marine propeller generally speaking, in the same diameter and pitch ratio, the more number of propeller blades, the thrust better, the higher efficiency of propulsion. Nickel aluminum bronze has excellent resistance to stress corrosion cracking, resistance to fatigue corrosion, cavitation erosion resistanc.

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This is the place where you can personalize your profile! By moving, adding and personalizing widgets. You can drag and drop to rearrange. You can edit widgets to customize them.