A Guide on How to Buy a Boat Propeller
When you are choosing the propellers of your boat, the options that you will make will have a strong effect on the performance of the craft. The size, shape, and materials used to make propellers will also determine the top end speed of your boat. When you are in your boat those factors also determine the acceleration rate, engine RPM limit and even the vibration that you will experience. For boats to perform better, boat manufacturers and even dealers try to pair up the boat and propellers.
Better acceleration rates and speeds will be achieved if more rates of vibrations will be accepted. Even if you would like to make some changes, you should pick those changes that will suit the type of boating you would like to have. When you are choosing propellers four your boat, you should check the metal that is used to make them. Aluminium and stainless steel are the two types of metals that are primarily used to make propellers. The best metals for propellers are these because they do not corrode. If you would like to have better acceleration, you should pick those propellers with greater stiffness of stainless steel.
The degree of vibration is also increased by stainless steel with greater stiffness. Aluminium do not last longer than stainless steel propellers. When you are choosing the right propellers for your boat, you need to check the number of blades. If the propeller has few blades, it will be more efficient to allow greater speed. Greater speeds will be achieved because there will be less drag. A propeller with fewer blades if chosen will enable greater vibration and also make boat riders not be comfortable.
The speed of your boat and also the degree of vibration need to be known first before the number of blades id chosen. When you are buying propellers for your boat, you will have to check the technical effect on its performance. You will have to look at the pitch, diameter, cup, and rake of your propeller before you buy them. Such parameters also should match the size of your boat, planning needs, engine size and boat power.
The sizes of propellers are given with two dimensions like for instance, 14*18. Representation of a diameter is described by the first number. The second number represent the pitch. A propeller has a circle and the distance across the circle is the one that is called diameter. The outer edge of the propellers defines the circle after one revolution is made by the propeller. The forward distance that the boat will move in every revolution is the one that is called the pitch.