Yacht Design
School - Lesson 3a
Understanding Round
Bottom
Lines Drawings & Lofting
Revised 07/02/2020 - Copyright 2020
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 6.0, Educational or
Commercial License
What You Will Receive With
This Lesson
Island Girl 24 Lines
Miss Congeniality 38 Lines
Bird of Passage 57 Construction
Bird of Passage 57 Construction Sketches
Blue Horizons General Lines Drawing
Blue Horizons Canoe Hull Offsets
Blue Horizons Ballast & Keel Lines
Blue Horizons Ballast Offsets
Freedom's Song 90 Lines and Offsets
What You Will Learn In This
Lesson
Understanding Lines Drawings
How Much Can You Draw on Other Designer's Work
Round Bottom Lines
Compromise Forms
Midsection Positioning
Drawing Sequence
Fairing
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
Lofting
Deck Camber Layout
Proper Layout of Drawings
Drawing Borders for Printing
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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