<p>This volume replaces Marchaj's classic Sailing Theory and Pactice, published 25 years ago, and offers new information on, rig design, sail construction and trim, wind-sail interaction, and the structure of the wind. The performance of any sailing craft depends largely on the power of the available sail--how the rig uses the wind and turns it into a useful driving force. But sail forces are determined by a multitude of factors, including wind speed, sail area and shape, and steadiness of the wind, among others. From wind-tunnel tests that he has conducted, Marchaj describes how these factors affect sail power and why certain rigs are superior in power and efficiency--concluding that the Bermuda, or marconi, rig is by no means the best available. This major work is an accessible, nonmathematical treatment of the subject and marks a turning point in modern thinking in the arena.</p>

Sail Performance: Techniques to Maximize Sail Power

Sports & Outdoors

C.A. Marchaj

Water Sports

International Marine Publishin

Sailing Theory and Practice

Science & Math

Technology

Adlard Coles Ltd.

Newly updated and revised, this critical analysis examines how the search for racing-yacht performance has led to the development of sailing yachts with potentially dangerous seakeeping characteristics. Based upon the highest degree of practical and academic research, it demonstrates how modern yacht design often sacrifices safety for speed and other considerations, and it maintains that dramatic changes in design philosophy are needed to prevent further loss of life at sea. This is a major work that will help change the thinking on popular design trends for both racing and cruising yachts.

Seaworthiness: The Forgotten Factor

Adlard Coles Nautical

Aero-Hydrodynamics of Sailing

Aerohydrodynamics of Sailing

Reference

Encyclopedias & Subject Guides

<p>Sail Performance, based on C A Marchaj's classic Sailing Theory &amp; Practice, has established itself as the standard work on the subject and is now acclaimed as a milestone in sailing literature. From wind tunnel tests which he has conducted, Tony Marchaj describes how the factors of wind speed, sail area, sail shape, sail setting, the hull, angle of heel, wind gradient and steadiness of the wind all affect sail power, and why certain rigs are superior in power and efficiency to others. Sail Performance is a major work which is acclaimed for its analysis of the factors that contribute to an efficient sailing rig. 'Should be on the bookshelf of every serious amateur and professional sailor' Nautical Magazine</p>

Sail Performance : Techniques to Maximise Sail Power

Engineering & Transportation

Transportation

Adlard Coles

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Books by C.A. Marchaj