full keel Directory References Images Discover Timeline of the Titanic’s Final Hours Titanosaurs: 8 of the World's Biggest Dinosaurs 10 of the World’s Most Dangerous Fish Where Is “Old Zealand”? What Do Eggs Have to Do with Easter? Timeline of the American Civil Rights Movement Which Religion Is the Oldest? Contents full keel shipbuilding Ask the Chatbot a Question Ask the Chatbot a Question Also known as: ballast keel Learn about this topic in these articles:types of keels In keel…of main keel—properly, the “full keel,” or “ballast keel”—is a vertical downward extension of the boat’s hull, narrowly V-shaped; it is usually ballasted or weighted for stability and lateral resistance.Read More