How to Select a Boat Propeller
A boat propeller is a fan that transmits power by converting rotational motion into thrust. The boat propeller does It consists of three or more blades. The blades spin to create a pressure difference between the forward and rear surfaces. Boat performance can be enhanced by choosing a correct propeller. Selection of the correct size and style of boat prop will allow the engine to apply its maximum horsepower to the water. Smaller engines and boats require smaller diameter props while larger ones require larger diameter props.
Propeller size selected should let your engine operate at its correct rpm range. Proper rpms range should maintain when changing the number of blades. When purchasing you should make sure the propellers are made of composite aluminum and stainless steel. Durability, good performance, and affordability are advantages of composite boat props. Availability of aluminum props in many models and styles makes them the most used. Stainless steel props offer the best durability and highest performance. Cupped boat propellers are the best at efficient fuel consumption. The main goal in selection is to choose one that allows the engine to reach its maximum WOT.
Good performance by the current prop should allow you to purchase a replacement prop with the same diameter. When upgrading you should consider a four blade prop rather than a three blade. You can consider increasing the pitch if your engine operates above the proper rpms. Tournament boats require high speed and should use high pitch power props. Lower pitch power props are recommended for houseboats and cruisers since they focus on efficiency at displacement speeds. Make use of different boat propellers for different applications. Make use of two props in order to optimize the power of your engine.
The model boat propeller is the newest addition to the others. They are becoming more popular among engine manufacturers. Money can be saved when using modular props since there is no need to purchase a second prop. An extra propeller with tools on board is essential to enable you change propellers when need be. An added advantage of carrying an extra propeller is that it saves your time when a props strike occurs. It is advisable to always seek help in changing props when an emergency occurs. Contact professionals any time you suspect your boat is underperforming. Dangerous consequences may result from any attempt to replace a prop by yourself. You should always choose a propeller that perfectly fits your boat. You can avoid vibrations and attain smooth run if you use a properly balanced propeller.