内容説明
The bicycle is almost unique among human-powered machines in that it uses human muscles in a near-optimum way. This new edition of the bible of bicycle builders and bicyclists provides just about everything you could want to know about the history of bicycles, how human beings propel them, what makes them go faster, and what keeps them from going even faster. The scientific and engineering information is of interest not only to designers and builders of bicycles and other human-powered vehicles but also to competitive cyclists, bicycle commuters, and recreational cyclists.
The third edition begins with a brief history of bicycles and bicycling that demolishes many widespread myths. This edition includes information on recent experiments and achievements in human-powered transportation, including the "ultimate human- powered vehicle," in which a supine rider in a streamlined enclosure steers by looking at a television screen connected to a small camera in the nose, reaching speeds of around 80 miles per hour. It contains completely new chapters on aerodynamics, unusual human-powered machines for use on land and in water and air, human physiology, and the future of bicycling. This edition also provides updated information on rolling drag, transmission of power from rider to wheels, braking, heat management, steering and stability, power and speed, and materials. It contains many new illustrations.
Book Description
The second edition of Bicycling Science includes new information on recent achievements and experiements in human-powered transportation, from the "ultimate human-powered vehicle" (UHPV), in which supine riders can achieve speeds well over 60 mph, to human-powered aircraft, boats, and rail transportation. New chapters cover the history of bicycle and human-power technology and science and the speed-power relationships of various modes and vehicles, including performance predictions for the UHPV and the "commuter human-powered vehicle." The chapters on braking, steering, friction, air drag, rider cooling, and transmissions and gearing have all been enlarged and updated. James McCullagh, editor of Bicycling Magazine, has written a foreword for this edition, which also includes many new illustrations.
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