FVSPS Sail Course, Class 3 Sail Book, Section 3 Boat Design & Hull Types.
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Transcript of FVSPS Sail Course, Class 3 Sail Book, Section 3 Boat Design & Hull Types.
FVSPS Sail Course, Class 3
Sail Book, Section 3Boat 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 4Standing 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
How is this this different from the Turnbuckle shown on page 28?
Turnbuckle,Chainplate
FVSPS Sail Course, Class 3
Sail Book, Section 5Sails
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
MainsailRoach
Spinnaker
Other Sails