Copyright © 2013 by Thomas Larsson English-language translation © 2013 by Skyhorse Publishing, Inc. First published by Norstedts, Sweden, in 2011, as Stora boken om träbåtsrenovering by Thomas Larrson. Published by agreement with Norstedts Agency. All Rights Reserved. No part of this book may be reproduced in any manner without the express written consent of the publisher, except in the case of brief excerpts in critical reviews or articles. All inquiries should be addressed to Skyhorse Publishing, 307 West 36th Street, 11th Floor, New York, NY 10018. Skyhorse Publishing books may be purchased in bulk at special discounts for sales promotion, corporate gifts, fund-raising, or educational purposes. Special editions can also be created to specifications. For details, contact the Special Sales Department, Skyhorse Publishing, 307 West 36th Street, 11th Floor, New York, NY 10018 or [email protected]. Skyhorse® and Skyhorse Publishing® are registered trademarks of Skyhorse Publishing, Inc.®, a Delaware corporation. Visit our website at www.skyhorsepublishing.com. 10 9 8 7 6 5 4 3 2 1 Library of Congress Cataloging-in-Publication Data is available on file. ISBN: 978-1-62087-051-8 Printed in China Contents Preface Introduction Increased Interest in Wooden Boats Wooden Boat: Utility or Vintage Boat? To Preserve or Restore Carrying on the Crafts Tradition Sailboats are Utility Boats Use the Boat First, then Renovate Increased Interest in Collecting MAINTENANCE IN THE WATER Topsides Leakage from Below Pumps Keep the Bilge Clean Leakage from Above Boat Cover Varnish has a Short Life Span WINTER MAINTENANCE Maintenance and Hauling Out Cover Indoor Winter Storage Preparation for Launching Mast and Rigging Summary SCRAPING DOWN TO THE BARE WOOD Tips on Scraping Summary SURFACE TREATMENT Weather Impregnation Thinners and Cleaning Paint and Varnish Basic Ingredients Oil Dye Caulks and Sealants Tools and Accessories Procedure for “Painting the Bottom” Painting Topsides and Deck Coating and Varnishing Procedure for Using Oil and Alkyd Varnish Interior Finish Summary TO GLUE OR NOT TO GLUE? Traditional vs. Modern Methods Wooden Boatbuilding Today Use of Epoxy for Restoration Gluing Epoxy Adhesion Procedure for Gluing Summary WOOD FOR BOATBUILDING Quality of Boatbuilding Wood Environmental Certification of Wood Aspects of Boatbuilding Wood Strength The Structure of the Wood Drying Wood Moisture Movement in Wood Rot Freezing Types of Wood Coniferous Wood 56 Deciduous Wood Summary SCREWS AND NAILS Fastenings Different Types of Screws Corrosion Various Metals in Screws and Nails Copper Nails Rules and Regulations Summary CORROSION AND NAIL SICKNESS Corrosion is One of the Worst Enemies of Wooden Boats Electrolysis Onboard Increases Risks Galvanic Corrosion Electrochemical Attack of Wood Nail Sickness Wood’s Corrosiveness Corrosion Properties of Common Metals Avoid Mixing Metals How are Electrochemical Attacks Discovered? How Can You Prevent the Attacks? Summary TOOLS Tools for Maintenance Tools for Dismantling Measuring Tools Carpenter Tools Other Electric Tools Fixed Machines Tools for Working with Steel and Metal Summary PLUGGING AND FILLING IN SMALLER DAMAGES Plugging Procedure for Plugging Bungs Procedure for Filling In with New Wood Summary JOINTS Joints Often Take a Beating First End Grain Sucks Up Moisture Wear and Tear Various Joints Joint Repair Repairing by Replacing Wood Patchwork Summary SPLINING Methods for Planking on Carvel-Built Boats The Principle of Splining Which Boats Can Be Splined? Under What Circumstances Can Seams Be Splined? Can the Frames Be Torn Apart When the Planks Swell? Won’t the Boat Be Too Rigid Due to Splining? Can You Just Spline Parts of the Planking? How Long Does Epoxy Last? Aligning the Hull Procedure for Splining Summary WOOD FRAMES Broken Frames—A Classic Problem Replacement of Frame Steam-Bending a Frame Tools for Ribmaking Summary STEEL FRAMES Steel Frame Materials Procedure for Replacing an Old Steel Frame Summary FLOORS Wooden Floors Procedure for Replacing Wooden Floors Steel Floors Replacing Steel Floors Procedure for Replacing Steel Floors Forged Floors Hanger Straps Summary PLANKING Planking Methods Clinker-Built Planking Procedure for Replacing Clinker-Built Planking Carvel Planking Procedure for Replacing Carvel Planking How Much Work Is It to Replace a Plank? Replacing Multiple Planks Summary THE BACKBONE The Backbone on Motorboats The Backbone on Sailboats Glued Keel Repairs Restoration Replacing the Keel Replacement of Stems Replacement of Knees Replacement of the Rudder Post Replacement of the Propeller Shaft Connector Replacement of Deadwood Replacement of the Stern Post Replacement of the Transom Bolts Keel Bolts Procedure for Removal of Keel Bolts Alternative Mounting Keel Bolts Summary DECK Beware of Leaks A Retrospective Life Span and Maintenance Renovation Techniques Replacing Decks Procedure for Deck Installation Railing Summary SUPERSTRUCTURE Superstructures of Sailboats Superstructures of Motorboats Common Damages of the Superstructure Hatches and Coamings Summary INTERIOR DESIGN Flashback Maintenance Common Damages Summary MOUNTING HARDWARE Dock Cleats and Hardware for Holding Loads Other Deck Hardware Stanchions Chain Plates