Australian superyacht builder Echo Yachts has signed a contract to construct a full-custom 57-metre twin-masted catamaran sailing superyacht. According to the Australian yard, the yacht is slated to become the world’s largest true sail-powered catamaran. The title is currently claimed by the 44.2m catamaran Hemisphere, built by Pendennis. Dykstra Naval Architects, of Amsterdam in the […]