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

2. 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

3. Functions of Keel Reduce Leeway Lower Center of Gravity
Increase Stability

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

5. Underbody Shapes

6. Catamaran and Trimaran

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

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

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

10. Compare the Rigs

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

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

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

14. 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)

15. 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

16. Roller Furling
Advantages? Disadvantages?

17. Jib Sizes

18. Mainsail Roach

19. Other Sails