Schiff&Hafen | Ausgabe 09/2021
World’s largest slewing drive units for sail system
Swiss-based Liebherr-Components AG has developed the world‘s largest slewing drive unit for an innovative sail system from eConowind. The Dutch company has created a sailing system that is intended to revolutionise commercial shipping. Up to 40m in height, metal sails serve as propulsion support for cargo ships. The world’s largest slewing drive units turn these huge sails. Using wind power in this way, fuel costs could be reduced by up to 20%. Liebherr slewing drive units are self-contained systems consisting of a drive and a bearing unit....