NEWS3Di technology used in windsurfing sails29/06/2022Save articleEarlier in 2022, North Sails reintroduced North Windsurfing.SHOW FULLSCREENNorth Sails has reintroduced North Windsurfing. Photo courtesy North WindsurfingThe sailmaker has incorporated its 3Di technology, believed to be the first in the windsurfing arena to use this feature which is also seen on Volvo Ocean Race boats and the America’s Cup.Proprietary software, engineering and construction methods allow 3Di sails to maintain their shape to a higher level, making them stronger than laminate string sails.3Di is built up from five sub features which are incorporated and executed in a single production system, allows a three-dimensionally shaped sail to be made from a single piece instead of conventional sections of cloth panels.“By gradually changing fibre density throughout the skin we made sure load and impact requirements are being met,” said a spokesperson.“This is the result of shaping the entire skin of the sail in 3D, eliminating the limitation of shaping under battens.”Layered tapes of Dyneema Aramid fibres are used to cover all the isotropic layer of the sail,allowing different functions and parts to be incorporated into the sail, without breaking it up into different panels.Further Dyneema Aramid is sandwiched around the Isotropic Layer, with multiple layers in high load and impact areas.The batten pocket is created using a machine laid in material that bonds to the Dyneema Aramid fibres but doesn’t bond onto itself, leaving an uninterrupted and integrated tunnel with space for the batten.Topics3DiMasts, spars, sails & riggingNorth SailsNorth WindsurfingWindsurfing

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