Yacht Design School - Lesson 3a
Understanding Round Bottom Lines Drawings & Lofting

Revised 04/04/2015 - Copyright 2015

Books To Be Read With This Lesson
        Captain Nat Herreshoff - The Wizard of Bristol
by L. Francis Herreshoff
        The Gougeon Brothers on Boat Construction by Gougeon Brothers, Inc.
        Ship and Aircraft Fairing and Development by S.S. Rabl (out of print)

Minimum CAD Tools for This Lesson
Rhino Version 5.0

What You Will Receive With This Lesson
        Island Girl 24 Lines
        Miss Congeniality 38

What You Will Learn In This Lesson
Understanding Lines Drawings
        Round Bottom Lines
        Compromise Forms
        Midsection Positioning
        Drawing Sequence
        Reproducing the Diagonals on Your 2D Drawing
        Dinghy Lines Notes
        Powerboat Lines Notes
        Calculating Displacement
        Rudders and Their Inclusion in Calculations
        Pounds Per Inch Immersion (Kilograms Per Centimeter Immersion)
        Approximate Moment to Alter Trim One Inch
        The Table of Offsets
        Deck Camber Layout
        Proper Layout of Drawings

What You Will Learn About In This Lesson
        Lines Development on Computers
        Computer Lofting and Cutting of Parts
        Future of On-Screen Design

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