full keel Directory References Images Discover 8 of the Largest Empires in History Was Santa Claus a Real Person? 10 Famous Artworks by Leonardo da Vinci Flags That Look Alike 11 Banned Books Through Time 8 Unusual Punishments Inflicted on Women Throughout History 11 Egyptian Gods and Goddesses 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