MOL partners with Vale to install Norsepower rotor sails

Mitsui OSK Lines (MOL) has reached a partnership with Vale International to install Norsepower Rotor Sails on an in-service Capesize bulk carrier. The 200,000t class bulk carrier will be retrofitted with two 35m x 5m rotor sails manufactured by Norsepower. The installation of both rotor sails is anticipated to be carried out in the first

DNV partners with Daewoo shipyard to develop rotor sail system

DNV partnered with Daewoo Shipbuilding & Marine Engineering to develop technologies on fuel saving devices and a rotor sail system. When wind meets the spinning rotor sail, the air flow accelerates on one side and decelerates on the opposite side. The change in the speed of airflow results in a pressure difference, which creates a