File:The street railway review (1891) (14738399766).jpg

Identifier: streetrailwayrev14amer (find matches)
Title: The street railway review
Year: 1891 (1890s)
Authors: American Street Railway Association Street Railway Accountants' Association of America American Railway, Mechanical, and Electrical Association
Subjects: Street-railroads
Publisher: Chicago : Street Railway Review Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation

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k brake, which is in-tended for emergency use, when it is operated byhand, is shown in the accompanying drawing. Theshoes have a bearing surface ou the rail of about18 in in length and are mounted one near eachend of a frame built up of steel angles and placedbetween the twn pairs of wheels. Pressure is ap-plied by means uf a toggle. The crank shaft foroperating the toggle link is supported ou castings-ecurcd to the truck sides with depending lugs filting in guides at the ends of the shoe supporter,and these serve to confine the motion of the shoeand to transmit the stress from the shoe to thecar. They have found to meet the reipiirementsuf the service adniiral)!y. fact that there had then just been completed three (x).oco-lb. orecars to be used in transporting ore from the Clark copper mines tothe works of the Butte Reduction Co. These three cars have justbeen placed in service, replacing eight 10-ton cars heretofore used.Only two of the new cars are equipped with motors, and each of
Text Appearing After Image:
TRACK BIIAKI iliK oltt; (.■AH8. Ihcsc has at one end a niotormans cab. The three are coupled,the motor cars at ihc ends, and opcratcr! as a train, this arrange-ment providing a cab at each end of the train. Compressed Air in Electric Railwaj Work. III. It having been determined that compressed air is a desirable adjnnct in electric railway shop work, the choice of a suitable com-pressing plant becomes a matter of selection from the many relia-ble types of compressors on the market. The compres-sor may be driven by steam engine, either direct con-nected or by belt, but for electric car repair shopsthe electric motor-driven compressor is undoubtedlythe best form to use. For general use in electric rail-way shops and power houses, a pressure of from 75lb. to 100 lb. per sq. in. in the main reservoir tank willbe found to meet practically all conditions. It is sel-dom that the higher pressures will be required, andif lower pressures arc desired (as for instance forcleaning purposes where

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