A boat’s keel shaped like an inverted dorsal fin.
- The sailboat has a fin keel and a rudder that resemble the dorsal and pectoral fins of orcas, said Pakenham.
- The 36 features a fin keel and partially balanced spade rudder and length overall is 36'7’.
- The ballast/displacement ratio is 46% for the centerboard model and 43% for the fin keel model.
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