Controllable Pitch Propellers are mainly used on Coastal and inland vessels, Propeller designs are matched to the vessel's hull and its operating profile, to deliver the optimum in propeller efficiency. Design and manufacturer the marine propellers with good fuel economy, low vibration/noise levels and no harmful cavitation. Considering the high demands on propulsion Systems because of the enormous variations in the operating conditions.such as, the draft of the vessels changes according to the différences in water levels due to the effects of rain or drought, it requires propeller manufacture having strong hâve an experienced technical team and equipped with advanced equipment.