While the sailing world is still coming to terms with the concept of seeing 72ft America’s Cup catamarans charging at 30kts plus, while fully out of the water on foils, the design teams are several steps further down the path.
So far only one style of foil has been seen – an S-shaped dagger board with a tip at right angles to the main part of the board, however a new type of hinged foil has been approved.
New diagrams released in a public interpretation by the Measurement Committee for the 34th America’s Cup, show  … More