Sail and Rig Tuning

Sail and Rig Tuning

4.2 (43 ratings by Goodreads)
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Fantastic computer graphics systematically explain how to tune-your-yacht, keelboat or dinghy. This beautifully illustrated and well-organised book shows the reader step by step, how to trim their sails and rig for maximum performance. Ivar Dedekam's revolutionary approach to sail and rig tuning tackles the practical and realistic elements of tuning your boat as well as the theory of sail aerodynamics. The book covers the many variations in boat, sail and rig design.
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Product details

  • Paperback | 80 pages
  • 170.18 x 238.76 x 7.62mm | 226.8g
  • Fernhurst Books Limited
  • Fernhurst Books
  • Arundel, United Kingdom
  • English
  • 152 colour diagrams
  • 1898660670
  • 9781898660675
  • 44,958

Back cover copy

A concentrated and thoroughly illustrated manual which systematically shows you how to trim your sails and rig.
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Table of contents

Genoa / Main Sail Trim. Aerodynamics. Apparent Wind. Points of Sailing. Sail Shape. Trim Devices. Miscellaneous. Genoa trim. Stability. Balance. Mainsail trim. The interaction of the sails. Reaching and running. Marking / Miscellaneous. Trim examples. Reefing. Problems / Solutions. Summary. Trimming the Spinnaker. Types of spinnakers. Equipment and terms., Preparing the spinnaker set. Hoisting the spinnaker. Spinnaker pole angle. Spinnaker pole height. Spinnaker depth. Running. Reaching. Broaching. Steering in heavy airs. Gybing the spinnaker. End to end gybe. Two-pole gybe. Dip pole gybe. Taking down the spinnaker. The Gennaker. Rig tuning. Rig types. Athwartship tuning. Fore and aft tuning. Backstay tension. Tensioning wire and rod. Tensioning the cap shrouds. Pre-bending the mast. Keel stepped masts. Maximum mast bend. The fractional rig. Tuning under sail. Straighten the mast sideways. Adjusting the lower shrouds. Multiple spreaders. Tuning diagram. Miscellaneous. Why pre-tension?
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Review quote

"... this book is different. It's stuffed with over 150 clear colour illustrations and informative captions and explanations. I recommend this little book to everyone - whether expert or novice, you'll find something." (Sailing Today) "Ivar Dedekam has produced an excellent, clearly written and profusely illustrated shortcut to sail and rig tuning that will allow most sailors to climb the long learning curve much more quickly." (Cruising) "Reading this book is an excellent way to improve your sailing skills. It is quite complete and the text is as clear as any we have seen. But what really sets this book apart is its illustrations. They are simply outstanding." (Sailrite) "Maybe the most positive aspect of this book is the way Ivar explains things in basic layman's terms thus making the subject an enjoyable read and easy to understand. A massive bonus is heaps of colour computer generated illustrations covering every, and I mean every, term. Ivar Dedekam's new book is really filled to the brim with every scrap of information that both novice and experienced sailor will welcome as a 'must have' edition on their bookshelves." (Multihull World) "First on our bookshelf since it's the best we've seen! A compact, concise reference on how to trim your sails and adjust your standing rigging." (Good Old Boat Magazine) "Reading about different sail and rig tuning options have sometimes confused me, but with Ivar's pictures, it now becomes perfectly clear. His illustrations not only tell you the right way to tune your boat, but also show the improper way and the effect it has on the sails... This is a great book to have to get the most out of your sailboat, no matter what the size." (TrailerSailor) "Over 80 pages this book goes from the basics of points of sail, sail-shaping tools, twist and apparent wind, right through to setting the spinnaker pole height and moving the spinnaker sheet lead forward to reduce the tendency to roll downwind. There's also a very handy problem-cause-solution section which gives you things to try if you have too much weather helm, or you're not pointing as well as you should." (Yachting Monthly)
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About Ivar Dedekam

Ivar Dedekam has been sailing for more than 25 years and has logged close to 50000 nautical miles, including two Atlantic crossings. He has in addition worked for many years as a sailing instructor.
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Rating details

43 ratings
4.2 out of 5 stars
5 44% (19)
4 35% (15)
3 19% (8)
2 2% (1)
1 0% (0)
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