Selbstfahrende Jack-Ups für die Fundamentinstallation von Windkraftanlagen auf See (WK-intern) - X-JACK heavy lift jack-up strengthens ambitions in offshore wind With the newly developed J102 heavy lift jack-up design Ulstein presents its answer to the offshore wind industry’s need for fit-for-purpose, cost efficient yet future proof wind turbine installation vessels. The new design is part of the X-JACK series of heavy lift jack-up designs. “The launch of the X-JACK-series underlines Ulstein’s firm commitment to serve the offshore renewables industry”, says Tore Ulstein, COO Design & Solutions. “Floating vessels we see as the preferred solution for foundation installation, where self-propelled jack-ups are the chosen tool for