Download or read book Sail Performance written by Czesław A. Marchaj and published by International Marine/Ragged Mountain Press. This book was released on 2003 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: Based upon on Marchaj's Sailing Theory and Practice, this volume explains the many developments in sail performance that have taken place. The author explains the factors that affect sail power and why certain rigs have superior power and efficiency.