Why must a boat make leeway in order to sail to windward? How can a helmsman prevent downwind rolling? Why is a sail able to produce a force at right angles to the wind direction? How do the motions of water particles in waves affect boat handling? These and many other important questions are addressed by the author in this detailed study of the motive forces of a yacht. The author has the rare gift of enabling his readers to relate the nautical phenomena with which they are so familiar to a physical explanation of how and why these occur. The first part covers downwind sailing, upwind sailing, sails, the hull, and the dynamic motion of a yacht. Part Two is devoted to more mathematical explanations of the same phenomena for those requiring a more scientific approach.

The Symmetry of Sailing: The Physics of Sailing for Yachtsmen

Sports & Outdoors

Garrett, Ross

Individual Sports

Allard Coles

An introduction to pilotage and navigation, this illustrated book provides suffient information for anyone intending to make coastal passages in either a motorboat or sailing yacht. It covers all the theory required for the RYA Day Skipper Certificate and practical situations have been simulated using the chart provided so that the reader can practise the basics ashore. The author has also written "Competent Crew" and "Yachtmaster".

Day Skipper: Pilotage and Navigation

Langley-Price, Pat

Ouvry, Philip

Water Sports

A step-by-step handbook on completing a 20-to-30-foot yacht or motorboat, starting from any standard fibreglass hull and deck. It gives advice on a variety of topics including choice of boat, building sites, cradles, choice of engine, joinery work and launching.

Fitting Out a Fiberglass Hull

Collins, Mike

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Books by Allard Coles