RUDDER BULB AND RUDDER FOR SHIP

摘要

PURPOSE: A rudder bulb and a rudder for a ship are provided to easily attach the rudder bulb to the rudder and to easily manufacture the rudder bulb. CONSTITUTION: A rudder bulb(110) is attached to a rudder(100) to improve the propulsion efficiency of a ship. The diameter of a stem-side rudder bulb is same as the diameter of a stern-side rudder bulb. The rudder bulb is a cylindrical shape and comprises a protruded part(112) protruded from a rudder toward a screw(200).