From ship resistance, we can figure out how much power required for Main Engine at a specified speed and what type of propeller should be used. 1st Step:┬áResistance calculation at a range of operation speed ( Base on Hull basic information, coefficient, proper method) 2nd Step: Initial TOWING power requires for propeller ( base on the Step 1 Resistance, hull form, fluid form, required speed, water density, coefficient ect., ) 3rd Step: Choose Type of Propeller and generate the Initial Characteristic chart ( with Power, RPM, propeller Diameter ) 4th step: Choose M.E with relevant RPM, Power & proper Diameter … Continue reading SHIP RESISTANCE AND PROPULSION