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Types of marine propellers
Aug 23, 2018

There are many kinds of ship propellers, including propellers, water jet propellers and special propellers. A propeller consisting of a hub and a number of blades fixed on the hub in a radial way is commonly called a vehicle leaf. The propeller is installed below the stern line. The main engine (see the ship's power plant) obtains power and rotates, pushes the water behind the ship and pushes the ship forward by the reaction force of the water. The propeller has simple structure, light weight and high efficiency, and is protected under the waterline.


The propeller is the main propulsion tool for modern ships, and most ships are propelled by propellers. There are many types of propellers.

According to the number of blades, the propeller has 2, 3 or 4 blades, or even more. The larger the number of blades, the greater the absorption power.

According to different structures, propellers are divided into two categories: fixed (propeller) pitch and variable pitch propeller.

Fixed pitch propeller, pitch is fixed, its characteristics are simple structure, light weight, so it is widely used on ships.

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