File:The Street railway journal (1905) (14574604059).jpg

Identifier: streetrailwayj251905newy (find matches)
Title: The Street railway journal
Year: 1884 (1880s)
Authors:
Subjects: Street-railroads Electric railroads Transportation
Publisher: New York : McGraw Pub. Co.
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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xteen yellow pine ties to the30-ft. rad, gravel ballast, well surfaced, curves elevated for aspeed of about 70 m.p.h. The working conductor consists of top-contact 70-Ih. steelrail reinforced with copper and covered in part with a boardprotection. At four crossings, overhead construction is usedto cover gaps where the use of the third rail is inadmissible.Experiments arc aliout to be started with a new type of under-contact rail which, it is believed, will cure many of the evilsof the ordinar)- l(jp-contact third rail. 866 STREET RAILWAY JOURNAL. (Vol. XXV. No. 19. The alignment and grades are illustrated upon the accom-panying condensed profile. It will be noted that from theeasterly end of the track at mile-post 162, going westerly, therising gradients vary from 5 ft. to 17 ft. per mile to a summitbetween mile-posts 166 and 167, and thence the track descendson gradients varying from 6 ft. to 19 ft. per mile to the end ofthe track at mile-post 168. It will also be noted that in the 6
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VIEW OF RUN D, TAKEN 1500 FT. FROM THE STARTINGPOINT, SHOWING ELECTRIC LOCOMOTIVE ABOUTONE TRAIN LENGTH AHEAD miles there are seven curves, varying from o deg. 48 min. to2 degs. 17 min., the maximum length of tangent being 7565 ft. SOURCE OF POWER, TRANSMISSION LINE AND SUB-STATION The power for testing purposes is furnished by the GeneralElectric Company, and for this purpose there has been in- CO -12000 50 -11000-10000 40 (tf A ■. / -9000 •is / -80001^7000 a *C000 -0tfi« / c /I -A d— 30 /* > y■$• -6000 -4000 10 -3000 -2000 5 1 > 0 1 0 2( 0 i 3Iin0 Se ites.■onds. —1000 Street Ry.Journal DISTANCE-TIME AND SPEED-TIME CURVES FROM RUN D sub-station that has been erected by the railroad company nearmile-post 165. This sub-station contains a 1500-kw, 650-voltrotary converter, with static transformers for reducing thepotential from 11,000 volts to 475 volts. DIMENSIONS AND WEIGHTS OF THE TEST TRAINSThe accompanying diagram illustrates the governing dimen-sions and weigh

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