Keel
part · 800 · Middle Ages
The longitudinal beam of a ship’s bottom.
Principles and materials it uses
- Archimedes’ principle — uses. The keel and ballast provide stability.
- Wood — is made of. A keel is a wooden beam.
Where it is used
- Sailing ship — is part of. A keel.
- Yacht — is part of. A keel.
- Hull — is part of. The keel is the backbone along the bottom that holds the whole hull together.
- Clipper — is part of. A keel.