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What Are the Different Types of Boat Propellers That Exist Today?

If you love to be out on a boat then you are in good company. There were over 320,000 new boats sold in 2020. 

The type of propeller on your boat is important. When people think of boat propellers, they often imagine the large metal blades that are on the back of a ship. However, there are many different types of boat propellers.

This article will discuss these different types of boat propellers and what each one is used for, so you can be informed about your purchase.

Fixed Pitch Propellers

These are very traditional propellers, and they provide smooth performance. However, they are not the fastest propellers because a higher number of revolutions per minute is required.

The blades are designed to turn at a constant speed. As the boat moves, each blade draws in water and pushes it out behind it.

The result is that the boat moves forward through the water. Fixed pitch propellers are usually used on smaller boats or boats that don’t move much.

Controllable Pitch Propellers

This type of boat propeller is designed for boats with powerful engines. It needs to be controlled with a degree of precision because it does not provide any adjustment to maintain or reduce resistance.

The blades on these propellers are mounted to keep the amount of drag they may produce to a minimum. These types of propellers are also used when two motors are used in the boat.

Contra-Rotating Propellers

Contra-rotating propellers are rotating in opposite directions to counteract the torque of the main engine and keep the boat under control.

Contra-rotating propellers are used in boats because they allow the vessel to turn much faster than would be possible otherwise. This is especially important for safety in the water when you are trying to steer away from animals or objects.

Waterjet Propellers

The waterjet propeller is a type of propeller that is designed to create a low-pressure, high-velocity jet of water at the stern. The water jet created by the propellers is used mainly by boats to provide thrust.

Waterjet propellers use a jet of water to push the boat forward. They are very efficient because they provide thrust with little drag. If you find that there is a lot of drag with this propeller, you may need boat propeller repair, so don’t hesitate to call in a professional.

Types of Boat Propellers

Now that you know the different boat propeller types, you will be more knowledgeable about what makes your boat work. This is important because it will be easier for you to spot a problem quickly and get it repaired.

The four main types of boat propellers discussed here are the most widely used because they are very efficient. If you are in the market for a new boat, don’t hesitate to find out more about this important feature before you buy.

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