For example, with the wind 90–180 degrees off the bow. Spinnaker: A spinnaker is a sail designed specifically for sailing off the wind from a reaching course to a downwind. This specialty staysail (a type of headsail) goes in front of your sailboat’s mast. Depending on the shape of your headsail, it could be referred to as a jib. Headsail: Your headsail connects from the bowsprit or the deck by a rod, wire, or rope, keeping the sail in one position. And little affects our sailboats’ handling characteristics than a poorly trimmed mainsail. The jib (and the staysail if you have a cutter) create the lift that drives your sailboats to windward. Mainsail : The mainsail is the predominant sail on a sailboat and is set on the after side of the mainmast. Different angles of sail, called points of sail, change as your boat changes course, and the sails must be adjusted to harness the wind as efficiently as possible. The angle of the sail is the difference between the direction your boat is heading and the direction of the wind. Apparent wind is the air velocity experienced on the moving craft and is the combined effect of the true wind velocity with the velocity of the sailing craft. SOUTHERN CALIF.- A sail provides propulsive force via a combination of lift and drag, depending on its angle of attack- its angle with respect to the apparent wind. Stay tuned for the next lesson, which will explain how to properly anchor your boat. Ahoy Sailors, now that you can identify the different sails that power your boat, it’s time to learn what each of those sails do.
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