Yacht Design Elements
A Manual of Calculations

The following table of contents is preliminary only. Everything mentioned will be included but more will be added as the book is worked on. This book is designed to replace several out of print technical works. It is intended to be easy to read and largely self teaching. It will be the sort of boat that is great fun for the person who needs to know how things work to study. It is not however reading for the non-thinking person. To enjoy and use this book you need to know how to add, subtract, multiply and divide. Basic familiarity with equations will be helpful but you should be able to understand anything and use it as long as you understand basic math. People wishing to really learn to yacht design for a major avocation or vocation should take our Yacht Design School course which gets much more deeply into training you to be a good designer not just someone who can do these calculations. The Yacht Design School lessons are actually good to read just for general enjoyment. The material below may end up being organized in a manner similar to the lessons in the YDS Course.

Tables & Units
Principles of Mathematics
The Law of Mechanical Similitude
Solid & Fluid Mechanics
Strength of Materials
Characteristics of Materials
Required Horsepower for Displacement Hulls
Sailboat Balance
Galvanic Series of Metals
Required Horsepower for Planing Hulls
Lines for Developed Surface Hulls
Resistance Calculation
Displacement to Length Ratio
Performance Evaluation With and Without Models
Machine Elements
Internal Combustion Engines
Propellor Calculations
Rudder Stock Calculations
Unstayed Mast Calculations
Stayed Mast Calculations
List of Most Useful Design Tools
Accommodating the Human Figure
Scantlings Rules for Various Types of Wood, Fiberglass, Steel and Aluminum Construction
Maximum Bending Moment
Design Section Modulus
Allowable Bending Stress
Maximum Bending Stress
Maximum Shear Stress
Displacement by Simpson's Rule
Displacement by the Trapezoidal Rule
Tonnage Calculations
Longitudinal Center of Bouyancy
Prismatic Coefficient
Block Coefficient
Midsection Coefficient
Waterplane Coefficient
Pounds per Inch Immersion
Wetted Surface
Weight Estimating
Comparative Weights
Location of Ballast
Amount of Ballast
Calculation of Ballast
Vertical Center of Gravity of Ballast
Wind Pressure Coefficient Method of Comparing Stiffness
Dellenbaugh Angle Method of Comparing Stiffness
Inclining Experiments
Period of Roll
Period of Pitch
Transverse Metacenter
Full Stability Calculations
Moment of Inertia
Moment of Inertia of a Water Plane about the Center Line
Moment to Alter Trim One Inch
Longitudinal Center of Flotation
Vertical Center of Bouyancy
Vertical Center of Gravity
Radius of Gyration
Section Modulus
Moment of Inertia
Fuel Consumption
Gasoline & Diesel Oil
Electrical Loads
Wiring Size
Wire Sizes for Amperes
Horsepower to Run an Alternator
Conversion Factors
Useful Formulas of Finding Weights
Muscular Energy of the Average Male Human Being
Chain Locker Volume for Self-Stowing Chain
Wheel Versus Tiller Calculations
Ladder Design
Typical Sound Levels
Strength and Weight of BBB Chain
Laying out an Ellipse
Pipe Davits
Finding Square Roots
Finding Cube Roots
Weights of Materials
Weights of Cargos
Decimals of a Foot to 64ths parts of an Inch

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