The Perfect Guide to Buying Boat Propellers
Just like cars have wheels, boats have propellers to make the move. Their main function is to rotate and provide the required thrust to make the boat move. It is a simple fan like tool using the same principle but performs are very integral role when it comes to boat performance.
Things to Factor in When Buying Props
Good props ensure that your vessel performs at its maximum.
Props comes in different sizes and dimensions, the key thing here is to ensure that you buy a prop that is of the right size. When thinking about size, you think of two things; pitch and diameter. To measure the diameter of a prop, you need to measure the distance between the hub and the end of one blade then you multiply it by two. However, smaller engines goes hand in hand with props that have small diameters because they have less rotational power. Pitch can be defined as the accelerative movement produced by a propeller per one complete rotation and is quantified in inches. you should select a prop based on its pitch after you have considered the power of the engine that your boat has. If you select a prop with a pitch that does not directly corresponds to the power of the engine, you will end up having engine failures.
The other important thing to factor in is the number of blades that an acme propeller has. When considering the number of blades you will not need to worry about their sizes. However, when you think of changing the number of blades in a solas propeller, you will need to adjust the pitch and diameter of the said prop. The most common number of blades is three and four for most props. With the help of an expert you can use a replace a three blade prop on the inboard with a four blade prop without much affecting the performance of the boat.
A good material used to manufacture solas propellers are durable, affordable and give ultimate performance. Boat propellers for sale are manufactured using different materials but the best ones are made using either composite, aluminum or stainless steel. Composite props will weigh less, are flexible, cost less but are impossible to repair meaning you will buy a new one in case of a breakdown. If you want a prop that has an average weight, easy to repair flexible and costs more than composite props aluminum props are your best bet. Propellers manufactured using stainless steel are a bit bulky, rigid and difficult to repair, in terms of cost they are more expensive to replace.
Always ensure you consult an expert before you make any replacements to your boat.
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