This Naiad fin is pressed onto its splined shaft, and stays put without fastenings. Removing it requires special equipment, though. Note the narrow winglet at the tip of the fin to make it more efficient.
The idea of combining volume and performance is about as old as boatbuilding itself. But sometimes the execution just brings the mix to a precise level that will stop you in your tracks. Check out the 26-knot Sunseeker 95, and see how she came about.
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