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.
When Capt. Bill Pike stepped aboard the Back Cove 41 he was expecting a traditional Down East vessel. But in terms of technology and advanced construction techniques, he found out there’s a whole lot more going on here than meets the eye. See what we mean, here. ▶