How to Design a Boat 2ed Teale.pdf

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HOW TO DESIGN
.
A BOAT
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How to
Design
a Boat
John Teale
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Contents
1
Preliminary sketches and calculations
1
Equipment. The initial sketch. Freeboard and sheer
• Beam • Depth. Displacement calculation
2
Completing the preliminary designs
17
Displacement. Longitudinal centre of gravity (lcg)
and longitudinal centre of buoyancy (lcb) • Other
tonnages. Hull form. Flatties • Round bilges. Fin
keels. Centreboards. Rudders· Sail area
3
Making the working drawings
40
Drawing board • Splines • Weights • Curves •
Planimeter • Sundries • Rabbet (or rebate) line •
Canoe stern, round bilge version. Grid • Waterlines
• Buttocks. Diagonals. Curve of areas. Drawing the
lines • Offset table • Hard chine lines plan • Conic
projection. Centre of effort (CE) and 'lead'
4
Motor boat design
67
Speed/length ratio. Wave making. Motor boat hulls
• Low wave making types· Beam and lcb • Deadrise
• Spray rails • Speed prediction • Stepped hulls •
Propellers • Tunnel sterns
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Contents
5
Resistance, sail plans and hull balance
92
Resistance. Prismatic coefficient. The rig. Hull
balance. Aspect-ratio of hull appendages. End plates
• Propellers on sailing craft
Constructional considerations
6
109
Ply construction • Cold moulding • WEST •
Traditional timber (with variations) • Double
diagonal. Strip and long diagonal planking • Steel·
Aluminium alloy. Ferm-concrete • GRP
Stability
7
136
8
Further design considerations
144
Camber. Stanchions and bulwarks. Rake of masts •
In conclusion
Glossary
151
Index
154
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