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The ultimate performance guide to the rotary engines built by Mazda from 1978 to the present. Includes: Engine history and identification ? Rotary engine fundamentals ? Component selection and modifications ? Housings and porting ? Rotors, seals, and internals ? Intake and fuel systems ? Exhaust Systems ? Engine management and ignition ? Oil and lubrication systems ? Forced induction ? Nitrous, water and alcohol injection
Conceived in the 1930s, simplified and successfully tested in the 1950s, the darling of the automotive industry in the early 1970s, then all but abandoned before resurging for a brilliant run as a high-performance powerplant for Mazda, the Wankel rotary engine has long been an object of fascination and more than a little mystery. A remarkably simple design (yet understood by few), it boasts compact size, light weight and nearly vibration-free operation. In the 1960s, German engineer Felix Wankel's invention was beginning to look like a revolution in the making. Though still in need of refinement, it held much promise as a smooth and powerful engine that could fit in smaller spaces than piston engines of similar output. Auto makers lined up for licensing rights to build their own Wankels, and for a time analysts predicted that much of the industry would convert to rotary power. This complete and well-illustrated account traces the full history of the engine and its use in various cars, motorcycles, snowmobiles and other applications. It clearly explains the working of the engine and the technical challenges it presented--the difficulty of designing effective and durable seals, early emissions troubles, high fuel consumption, and others. The work done by several companies to overcome these problems is described in detail, as are the economic and political troubles that nearly killed the rotary in the 1970s, and the prospects for future rotary-powered vehicles.
The Rotary Club of Melbourne was the first of its kind in Australia. Since its inaugural luncheon on 21 April 1921, the club has had an outstanding record of philanthropic endeavour and charity work, as well as service to the cause of Rotary on the international scene. The list of members of the early Melbourne club reads like a Who's Who of Australian businessmen since World War I. In later years, with the increase in the number of Melbourne-based clubs, not to mention the admission of women members in the late 1980s, the range and interests of members was less concentrated, leading to a greater diversity of activities. The Melbourne club is now faced with changing social and economic conditions that are causing the breakdown of community cohesion. The first Rotary Club was born out of a response to the competitive and harsh business environment of Chicago in 1905. The Melbourne club is responding to similar conditions by seeing them as an opportunity to expand the tradition of service.
The Make It Simpler? Way of rotary cutting is a brand new method for cutting your fabric pieces quickly'in just one step! Best-selling author and teacher Anita Grossman Solomon shows you how to cut squares into smaller pieces with precision but without waste. When you use her efficient shortcuts, you'll get more bang for your fabric buck!
Offers tips and techniques for rotary cutting, accurate piecing, pressing, and finishing and includes step-by-step directions for twelve projects
DIVClear, concise text covers aerodynamic phenomena of the rotor and offers guidelines for helicopter performance evaluation. Originally prepared for NASA. Prefaces. New Indexes. 10 black-and-white photos. 537 figures. /div
Rotary Kilns—rotating industrial drying ovens—are used for a wide variety of applications including processing raw minerals and feedstocks as well as heat-treating hazardous wastes. They are particularly critical in the manufacture of Portland cement. Their design and operation is critical to their efficient usage, which if done incorrectly can result in improperly treated materials and excessive, high fuel costs. This professional reference book will be the first comprehensive book in many years that treats all engineering aspects of rotary kilns, including a thorough grounding in the thermal and fluid principles involved in their operation, as well as how to properly design an engineering process that uses rotary kilns.Chapter 1: The Rotary Kiln Evolution & PhenomenonChapter 2: Basic Description of Rotary Kiln OperationChapter 3: Freeboard Aerodynamic PhenomenaChapter 4: Granular Flows in Rotary KilnsChapter 5: Mixing & SegregationChapter 6: Combustion and FlameChapter 7: Freeboard Heat TransferChapter 8: Heat Transfer Processes in the Rotary Kiln BedChapter 9: Mass & Energy BalanceChapter 10: Rotary Kiln Minerals Process Applications·Covers fluid flow, granular flow, mixing and segregation, and aerodynamics during turbulent mixing and recirculation·Offers hard-to-find guidance on fuels used for rotary kilns, including fuel options such as natural gas versus coal-fired rotary kilns·Explains principles of combustion and flame control, heat transfer and heating and material balances
In 1905, Paul Harris started a movement that today is one of the world's premiere service organizations. His creation, Rotary International has quite literally touched the lives of hundreds of millions of people in its global quest to make a difference.Yet few people, both inside and outside of Rotary know much about Paul Harris or how his ground-breaking club developed. This number includes a majority of current Rotarians who have little knowledge or understanding about the man who started it all. For over a century, the relevant facts about his life and motivations have been clouded by myths and misconceptions. Now, with the discovery of hundreds of never before published letters, documents and exclusive archival sources, a better comprehension of the man and his times has emerged. This latest material gives new insight to who Paul Harris was. It provides answers to questions like: How did his early life in rural Wallingford, Vermont help forge his thoughts about Rotary? What role did his parents and grandparents play in developing his later actions? What happened during his college years that affected him for the rest of his life? Who were the men and women that influenced his ideals?When did Rotary and Paul Harris change directions and become more humanitarian?This book offers an in-depth look at how Paul Harris and early Rotary came into existence. It's the story of one man's struggle to find his inner self and how his philosophy changed the world.