Cavitation isn't just a noise problem; it also causes damage to the blades. The forces on the blade are surprisingly strong. When a propeller has been experienc

Cavitation isn't just a noise problem; it also causes damage to the blades. The forces on the blade are surprisingly strong. When a propeller has been experiencing cavitation, you can see the pitting on it, almost like you hit it with a pointy hammer. If it continues, cavitation can seriously weaken the blades.