The digital edition of all books may be viewed on our website before purchase. Excerpt from The Car Wheel: Giving the Results of a Series of Investigations (Classic Reprint)
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The solid forged and rolled steel wheel, referred to in the following pages of this book, was developed and first manufactured by Mr. Charles T. Schoen, the pioneer builder of high capacity steel freight cars, and former president of the Pressed Steel Car Co. In the exploitation of large capacity cars Mr. Schoen was confronted with the problem of getting wheels to meet the requirements. The cast iron wheels put under these ioo,cxx lbs. capacity cars failed repeatedly and the situation became serious. For instance, one railroad, which had in service several thousand of these cars, at one time considered the expedient of marking all of them down to 8o,cxx -lbs. capacity in order to reduce the load on the wheels. The majority of wheel failures occur on mountain roads with steep grades and sharp curves where long and heavy brake applications are necessary, and the wheel flanges are subjected to severe shocks. Steel-tired wheels had given satisfactory service under passenger cars runnine over these mountain roads; but they were out of the question for freight equipment because of their prohibitive cost. The economical value of the high capacity car to the railroads having been demonstrated, the problem was to produce a wheel equal to or better than the steel-tired wheel in strength and at a cost for mileage less than that of the cast iron wheel. Mr.
(Typographical errors above are due to OCR software and don't occur in the book.)
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EUR 1,05 expédition depuis Etats-Unis vers France
Destinations, frais et délaisVendeur : PBShop.store US, Wood Dale, IL, Etats-Unis
PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LW-9781330546888
Quantité disponible : 15 disponible(s)
Vendeur : PBShop.store UK, Fairford, GLOS, Royaume-Uni
PAP. Etat : New. New Book. Shipped from UK. Established seller since 2000. N° de réf. du vendeur LW-9781330546888
Quantité disponible : 15 disponible(s)
Vendeur : Forgotten Books, London, Royaume-Uni
Paperback. Etat : New. Print on Demand. This book reveals the results of an in-depth study into the standards of quality for metal and craftsmanship in the development of a new industry that depended on the production of a wheel that would meet or exceed the requirements of railroad traffic. The author presents data and observations on tensile strength, hardness, abrasion resistance, and specific gravity of various types of steel wheels and tires. The book also includes a series of photomicrographs that show the grain structure of the metals and relate it to the physical and chemical properties. This book is a valuable resource for anyone interested in the history and development of railroad technology. It provides a detailed look at the materials and processes used to create safe and efficient wheels for trains. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. N° de réf. du vendeur 9781330546888_0
Quantité disponible : Plus de 20 disponibles