When looking at models of old sailing ships you never see a proper keel How did they prevent leeway when close hauling or beam reaching

When looking at models of old sailing ships you never see a proper keel. How did they prevent leeway when close hauling or beam reaching? The answer is that they used a centerboard or leeboard. A centerboard is a retractable blade that is lowered into the water from the center of the hull. A leeboard is a similar blade that is attached to the side of the hull. When the boat is close hauled or beam reaching, the centerboard or leeboard is lowered into the water to create a keel-like effect, which prevents the boat from slipping sideways.

  1. What is the purpose of a keel on a sailboat?
    • To prevent the boat from slipping sideways.
  2. How did old sailing ships prevent leeway when close hauling or beam reaching?
    • By using a centerboard or leeboard.
  3. What is the difference between a centerboard and a leeboard?
    • A centerboard is retractable and is lowered into the water from the center of the hull, while a leeboard is attached to the side of the hull.
  4. Why are centerboards and leeboards not used on modern sailboats?
    • Because modern sailboats have deep keels that are more effective at preventing leeway.
  5. What are the advantages of using a centerboard or leeboard?
    • They are less expensive and easier to install than a keel, and they allow the boat to sail in shallower water.

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