Tipped blades: standard for propellers of the future?

Leading the way to the future? An offset double-tipped CP propeller designe d by Groningen Propeller Technology is seen here fitted to the new 3200dwt Saimax-type cargo ship Aquatique, built by Pattje Shipyards for Briese Schi ffahrts. Propulsion efficiency is said to be 'substantially higher' than wi th conventional blades used on sister ships, with impressive power reductio ns in the order of 12%-14%, also reduced noise and vibration.