I've only had experience with one, but here goes: They are hinged on the side of the top & have a cable attached the bottom of the keel. In the cockpit, there is a windlass which is wound & locked in place. This facilitates pulling up the keel all the way for running with the wind or leaving it only halfway down for reaching across the wind. Remember this: No keel, no steering!
A centerboard is retractable, the keel is not. A centerboard is lighter than a keel. Please see the related link below:
A centerboard is lighter, therefore not as strong. The centerboard is retractable, the keel is not. Please see the related link below:
Some of the synonyms for the word retractable are, rescind, retreat, revoke, reverse, countermand, deny. There are many more works than this and they can all be found in a Thesaurus.
No, a cat does not have retractable paws it has retractable claws
Anna Keel has written: 'I personaggi di Anna Keel'
Edurne Keel's birth name is Edurne Echeverra Keel.
Howard Keel's birth name is Harold Clifford Keel.
Kirstine Keel's birth name is Kirstine Elizabeth Keel.
Leslie Keel's birth name is Leslie Grace Keel.
No, it does not have a retractable roof.
This car has a retractable antenna.
Ron Keel's birth name is Rynia Lee Keel Jr..