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Building Outrigger Sailing Canoes: Modern Construction Methods For Three Fast, Beautiful Boats - Softcover

Dierking, Gary

 
9780071487917: Building Outrigger Sailing Canoes: Modern Construction Methods For Three Fast, Beautiful Boats

Inhaltsangabe

Build the fastest, most exotic sailboats around! Popular in Hawaii and throughout the South Pacific and Indian Oceans, outrigger canoes combine the romance of the South Seas with a ruthless efficiency of design and breathtaking sailing performance. This is the first book to present complete plans and building instructions for three outrigger sailing canoes. Based on traditional Hawaiian and Micronesian types, the designs are lightweight, easy to build, and screamingly fast. Author Gary Dierking shows you how to build these boats using stitch-and-glue and strip-planking construction, explains what tools and materials are required, how to rig and equip the boats, and more.

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Über die Autorin bzw. den Autor

Gary Dierking has been designing and building boats for more than 40 years. Raised in northern Wisconsin, he served in the US Coast Guard, then built a 37' trimaran and logged 20,000 nautical miles throughout the Pacific. His interest in outrigger canoes and other multihulls continued in the 1980s, when he worked as head builder and assistant designer for Rudy Choy Boatworks in Honolulu, building a series of high tech offshore catamarans for racing and the tourist industry. Since 1991, he has run his own boat shop in Coromandel, New Zealand. He designs, builds, repairs, and modifies a wide variety of working and recreational vessels, especially multihulls, up to 50 feet in length. He series-manufactures his Ulua outrigger canoe design in molded fiberglass.

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BUILDING OUTRIGGER SAILING CaNoes

Modern Construction Methods for Three Fast, Beautiful Boats

By Gary Dierking

The McGraw-Hill Companies, Inc.

Copyright © 2008 International Marine
All rights reserved.
ISBN: 978-0-07-148791-7

Contents

Preface
Acknowledgments
Introduction Some Outrigger Basics
Chapter 1. The Ulua
Chapter 2. The T2
Chapter 3. The Wa'apa
Chapter 4. Sailing Rigs
Chapter 5. Boatbuilding Basics
Chapter 6. Building the Ulua and T2 Strip-Composite Hulls
Chapter 7. Building the Wa'apa Plywood Hull
Chapter 8. Amas
Chapter 9. Cross Beams and Hull Connections
Chapter 10. Steering, Leeboards, and Accessories
Chapter 11. Spars, Spar Specifications, and Sails
Chapter 12. Rigging, Tuning, and Sailing
Glossary
Resources
Index

Excerpt

CHAPTER 1

The Ulua


"Ulua" is the Hawaiian term for the Giant Trevally fish found in deep, rockywater and off some beaches of the Pacific islands.

The Ulua canoe is based on Hawaiian outrigger canoe design. The channels betweenthe Hawaiian islands are extremely rough and more often than not have strongtrade winds blowing. This fact, along with the very small number of naturalharbors, provided the breeding ground for a very special canoe. The ability tomaintain control during high-surf landings was the most important factor intheir design.

The Ulua design broadly resembles the classic Hawaiian canoe, with somedifferences. The round bottom, which is important in the surf, performs poorlywhen sailed to windward. I've added a pivoting leeboard for lateral resistancethat can be retracted when paddling or when landing in surf. A steering oar orrudder can be used instead of the traditional paddlefor steering. The Ulua hull has a little more "V" in the hull than a traditionalHawaiian model, and this improves its speed and windward sailing ability.

Watertight bulkheads in each end of the hull provide reserve buoyancy in theevent of damage or capsize. Additional reserve buoyancy can be built in underthe two seats in the form of foam blocks or hollow storage compartments. The amacan be either solid foam covered with fiberglass, or hollow and strip planked,with foam or plastic bottles inside for emergency flotation. The large ama is ofsufficient size to support cargo stored on the iakos (outrigger booms) alongwith a crew member on the hiking seat.

A hiking seat enables the crew or helmsperson to shift their weight outboard ofthe narrow hull's gunwale to balance the force of the sail. It can consist of aslatted wooden seat or fabric stretched on a frame. The outboard edge issupported by a fore and aft pole resting on the iakos, while the inboard edgerests on the gunwale. At least one hiking seat must be fitted on the ama side ofthe hull, but an additional seat can be installed on the opposite side, supported by extended iakos.

The sailing rig shown is of a modern Hawaiian type. The availability offiberglass windsurfing masts allows for a very simple lightweight plug-in rigthat can be lowered entirely while at sea and stowed on the iakos. A brailingline folds the boom and sail up against the mast for quick furling and thusavoids dumping the sail onto the crew.

The Ulua can be paddled, sailed, surfed, or powered by a two-horsepower outboardmotor. This canoe is capable of extended coastal expeditions and can be cartopped to your favorite launching spot or carried on its side on a trailer withthe ama up in the air.

The hull can be stretched to a greater length by increasing the spacing betweenthe molds before the planking begins. You can safely increase the hull length by150 percent without any changes to the structure.

While the Ulua is an excellent sailing canoe, the shape of the hull is optimizedfor its ability to turn quickly while tacking. For long-distance paddling, footpedals, like those used in sea kayaks, can be connected with small lines to thesailing rudder. Steering with your feet allows for stronger paddling withoutusing energy to keep the canoe on a straight course.


MATERIALS FOR BUILDING THE ULUA

Hull

• 60 planks of ¼" × ¾" × 18.5' (6mm × 19mm × 5700mm)

• Enough planks for the hull and end decks can be ripped from 5 pieces oftimber, 5 ½" × ¾" × 18.5' (140mm × 19mm × 5.7m), assuming the use of a thin kerfcircular saw blade.


Molds

• 2 sheets of ½" (12mm) or thicker plywood or particle board


Stems

• 2 pieces of 1" × 4" × 30" (25mm × 100mm × 750mm). These can be of cedar or anyother softwood.


Gunwales

• 4 pieces of 3/8" × 1" × 18.5' (10mm × 40mm × 5700mm). Harder woods like mahoganyor ash are more durable.


Bulkheads and Ring Frame

• 3 pieces of 16" × 18" × 3/16 or ¼" (400mm × 450mm × 4 or 6mm) plywood. Bulkheadscan be strip composite.


Seats

• 2 pieces of ¾" × 10" × 18" (19mm × 250mm × 450mm). The seats can be of plywoodor solid timber.


Iakos

• 10 pieces of 5/16" × 2" × 6'8" (8mm × 60mm × 2000mm)


Fore and Aft Decks

• 2 pieces of 18" × 3'8", 3/16" or ¼" (450mm × 1100mm, 4 or 6mm plywood

OR: 30 strips of 3/16" × ¾" × 44" (4 to 6mm × 19mm × 1100mm) plywood for stripdecks


Epoxy Resin

• 3 1-gallon (4-liter) kits of resin and hardener

• Bag of glue powder

• Bag of fairing powder


Fiberglass

• 4 pieces of 6-ounce (200-gram) 18.5' × 26" (6000mm × 650mm) for hull

• 4 pieces of glass for top and bottom of strip deck, 18" × 44" (450mm × 1100mm)

• Miscellaneous strips for glassing in bulkheads

• 2 pieces of 10-ounce (330-gram), 16' × 16" (5000mm × 400mm) for ama, or:

• 4 pieces of 6-ounce (200-gram) fiberglass cloth


Ama

• 2 pieces of 4" × 8" × 12'8" (100mm × 200mm × 4000mm) blue Styrofoam (can use2" [50mm] foam and glue layers together) ½ sheet; 1/8" or 3/16 (3mm or 4mm) plywood forshear web


APPROXIMATE TIME AND COST FOR BUILDING THE ULUA

The amount of time that it takes to complete a sailing Ulua is widely variableand reflects the personal standards and skill of the individual builder. Gettingstarted can seem slow, with little to look at that resembles a canoe, but onceplanking commences, the hull will take shape rapidly. The average time to set up,plank, and fiberglass a bare hull is about 100 hours. The total time to completea ready to sail Ulua is a minimum of 300 hours.

The minimum cost of materials is about U.S. $1,200. Half of this amount is forthe epoxy resin and fiberglass. The sailing rig can be home made with a plastictarp sail and a used Windsurfer mast for a very low cost, or you can have a sailmaker provide a sail...

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