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.
A boat like the MJM 50z doesn’t just fall from the heavens. It takes a whole lot of design ingenuity and hands-on know-how to build a boat like that. We went behind the scenes to show you exactly what it takes to build a boat. Click here for the full story. ▶