A low-aspect fin (wide but not too deep) is required on this big yacht to minimize draft; otherwise the fin would project beneath the keel. High-aspect fins (narrow and deep) are more efficient, because of their longer leading edge, but not always practical.
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. ▶