The number of blades on a ship's propeller isn't arbitrary — it's a carefully balanced compromise between power, efficiency, vibration, and cavitation. From the Titanic mystery to modern ...

Most ship propellers spin around a horizontal shaft, but the Voith Schneider propeller does something completely different, ...

Hydrex diver positioning the blade cutting tool over the propeller blade. © Hydrex Severely bent propeller blade of container ship in Congo. © Hydrex In December ...