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Excerpt from Internal Combustion Engines and Tractors, Their Development, Design, Construction, Function and Maintenance Those of us who are familiar with the crude designs in which the internal combustion engine first appeared in the early nineties, marvel at the progress that has since been made in refinement of design and the perfecting of mechanical efficiency. Although these engines twenty years ago were extremely uncertain in operation and control, there were men who had faith enough in this type of motive power to continue its manufacture, experimenting and improving until they developed the present excellent engines with which we are now so familiar. The final result of this sifting-out process is the development and specialization of different types, designed to meet some particular need in some certain specialized field. Because of this specialization we have today the automobile engine, the aeroplane, the marine, the stationary, and the tractor engine, each with its characteristic qualities and advantages for its special work. Another complication, requiring more specialization, arose just as the gasoline engine reached the point of development where it became a satisfactory power producer mechanically. Manufacturers found themselves facing an entirely new problem - an insufficient supply of gasoline which threatened to become a chronic condition in the fuel oil business. This shortage of gasoline introduced a new stage in the development of the internal combustion motor - an endeavor to produce an engine that would run with positive certainty and economy on the lower grade fuels such as kerosene and distillate, the abundance and cheapness of which made them very desirable fuels. This fact has had an important influence on farm engine and tractor designs. The Modern Farm Tractor Of all the users of internal combustion engines, the farmer had the greatest variety of work to be done. As a consequence, a large amount of capital has been invested to build engines to meet the farmers special demands. The first farm engine was a small stationary engine usable for belt work only. Then a portable outfit was demanded, and finally a self-propelling vehicle to move itself from place to place. Thus the tractor industry came into being because, of all the power needed by the farmer, tractor power to take the place of animal power proved to be his most urgent need. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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