I believe that the boats where the keel lifts up do not rely on the keel weight ...

		praptak on March 10, 2017 \| parent \| context \| favorite \| on: A Review of Modern Sail Theory (1981) [pdf] I believe that the boats where the keel lifts up do not rely on the keel weight to stay balanced. They are also easier to capsize (regardless of whether the keel is lifted) than the ones with a fixed heavy keel that lowers the center of the mass.