FVSPS Sail Course Class 3 Sail Book Section
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 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 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
- Slides: 19