FVSPS Sail Course, Class 3 Sail Book, Section 3 Boat Design & Hull Types

Boat Design Summary Fiberglass most common hull material Keels evolved from None to Full to Fin Waterline length determines max speed Wetted surface determines water friction

Functions of Keel Reduce Leeway Lower Center of Gravity Increase Stability

Keel Types Full keel Full keel with cut away fore foot Fin keel with spade rudder Fin keel with skeg rudder Centerboard, Daggerboard, Leeboard

Underbody Shapes

Catamaran and Trimaran

FVSPS Sail Course, Class 3 Sail Book, Section 4 Standing Rigging

Standing Rigging What is the purpose of Standing Rigging? Do all Sailboats have Standing Rigging?

Standing Rigging What are the components of Standing Rigging? - Headstay, Jibstay, Staysail Stay - Backstay, Running Backstays - Shrouds - Upper (using Spreaders) - Lower

Compare the Rigs

Turnbuckle, Chainplate How is this this different from the Turnbuckle shown on page 28?

FVSPS Sail Course, Class 3 Sail Book, Section 5 Sails

What are the Parts of a Sail? Corners - Head - Tack - Clew Sides - Luff - Leech - Foot

How are Sails Attached at the Corners? - Tack: Shackle to bow (headsail) or to gooseneck (mainsail) - Head: Shackle to halyard - Clew: Bowline to sheets (headsail) or shackle to outhaul (mainsail)

How are Sails Attached at the Sides? - Luff: Hank onto headstay or luff tape into furler foil (headsail), or slides or boltrope go into mast track (mainsail) - Foot: Loose (headsail), loose or attached to boom by slides or boltrope (mainsail) - Leech: Loose

Roller Furling Advantages? Disadvantages?

Jib Sizes

Mainsail Roach

Other Sails