Underwater Diving Techniques

A propeller is an important part of the boat. It increases the overall performance and extends the engine lifetime. Normally, a propeller damages when they hit an obstacle. Whenever you take the boat out on the water carry a spare propeller with their required tools. The boaters must learn the basics of the propeller and able to replace the propeller in case of emergency. A certified propeller repair technician has the ability to work with design, manufacturing, developing, testing and support. Propeller Hub The general defect occurred from a propeller hub is slipping. Using a slipping hub affects the rotation speed of propeller and simultaneously the speed of the boat decreases. To repair the hub, look for deviations and fit in the same line where the propeller housing ends. Diameter - The diameter of the hub varies from 0.20 to 0.25 inch and it is bolted with the tailshaft present at the flanged end. Level of oil - To prevent the leakage of water into the hub, it is