Ship&Offshore | Issue 05/2013
Energy-efficient dredgers
HYDRAULIC ENGINEERING Competitive dredgers of various construction types are an important prerequisite for the layout and maintenance of ports and fairways all over the world. Meanwhile, mining submerged sand for use as a building material is growing in significance. However, only a few shipbuilders are specialised in designing the sophisticated vessels with the primary aim of high-energy efficiency, writes shipbuilding expert Ralf Witthohn in another instalment of our series “Innovative Vessels”.