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The Electric Railway Number; August, 1899

By: Group, Books (Author)

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The Electric Railway Number; August, 1899 - ISBN13: 1236229452  

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ISBN-10:   1236229452
ISBN-13:   9781236229458
BINDING:   Paperback
PUBLICATION DATE:   2012-05-01
DESCRIPTION:   This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1899 Excerpt:... had once been received, the success of electricity as a motive power was no longer doubtful. FIG. 33.--CAR NO. 30 OK THE BUFFALO & NIAGARA FALLS RAILWAY Fig. 22 represents the first truck of the kind ever constructed. Its fundamental feature was the support of the machinery by a rigid independent frame, which contained an upper chord or connecting frame for carrying the car body and relieving the latter entirely from is the strain set up by the driving machinery. It was not at first seen that the fundamental principles of locomotive construction should be as closely followed as in the case of the heaviest express engines. This idea, in fact. hardly yet thoroughly understood, and the railway world is going through the same absurd experiments with the frame work of its electric trucks that were made from thirty to fifty years ago in locomotive practice. The first line of ideas followed out in the development of the truck frame is shown in Fig. 23. A continuous upper chord of flat bar iron was used, from which a system of trusses was extended downward so as to give the proper support to the machinery. This frame, considered statically, was all that could be desired. It was light, strong in vertical direction, and gave the machinery ample support. Eight springs held the journal boxes, and converted the truck into an easy-riding carriage. It was, however, adapted only to comparatively short cars, while an increase was demanded in the size of the unit for the sake of economy. Plunging or galloping with the short wheel-base was inevitable. For the purpose of carrying the over-hanging ends of long cars and making repairs easier, the type shown in Fig. 24 was devised. This consists of malleable iron jaws, which form the foundations of the frame, into which are...

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