full keel Directory References Images Discover Spies Like Us: 10 Famous Names in the Espionage Game 14 Tough Questions Answered 10 Failed Doomsday Predictions Flags That Look Alike Why Is Thanksgiving in the U.S. Celebrated on a Thursday? Why Is the Mona Lisa So Famous? The 6 Deadliest Earthquakes Since 1950 Contents full keel shipbuilding 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