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Fixed pitch propeller - suitable for low-speed blade installation angles that appear too small during high-speed flight; Similarly, the installation angle suitable for high-speed flight may be too large at low speeds.

Large engineering ship propeller - installation gap between ship propeller and hull

Aluminum and steel propeller blades for air conditioning large bulk cargo can be made thinner due to their strong material, which is beneficial for improving the efficiency of the propeller at high speeds. After the 1970s, composite materials were still used to manufacture propeller blades to reduce weight.

Large engineering ship propellers - regularly inspect the installation and fixation of propellers to ensure their safe operation.