File:Electric railway journal (1916) (14572085198).jpg

Identifier: electricrailway481916newy (find matches)
Title: Electric railway journal
Year: 1908 (1900s)
Authors:
Subjects: Electric railroads
Publisher: (New York) McGraw Hill Pub. Co
Contributing Library: Smithsonian Libraries
Digitizing Sponsor: Smithsonian Libraries

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rms of its concession, the Havana Electric way overhead construction as shown in the following Railway is obliged to use the double overhead trolley table:system with two wires completely insulated from ground, and under the extraordinary conditions which Miles single Total cost of Maintenance , , , . . ... , ii • Track Maintenance Per Mile have had to be met the company s overhead system is 1911 6417 $35,866 $558.92 probably more complicated, costly and difficult of main- 191- 65.70 liv1™ oiHJi . , »• , . „ . „. . 1913 71.82 28,533 397.57 tenance than any to be found in America. Streets m 1914 80.10 24,164 301.68 all but the outlying districts are so narrow that the 191386 35 22,955 265-84curves at intersections have to be of very short radius. 1915 °VER 1911 The density of traffic, especially in the central districts, ^%\%%%^Kl)nten,nce.::::::::::::::::::::: 364:o gS ctnl and the diverse development Of different sections, made Decrease, maintenance per mile 52.4 per cent
Text Appearing After Image:
HAVANA- -NARROW STREET WITH OVERHEAD FEEDERS SUP-PORTED ON BRACES HAVANA- -NARROW STREET SHOWING HOW FENDERS PROJECTOVER SIDEWALK WHEN CAR IS ON CURVE 368 ELECTRIC RAILWAY JOURNAL (Vol. XLVIII, No. 9 In this work of reconstruction, double overhead trol-ley wires were installed over all new track, and exist-ing lines were maintained and reconstructed as neces-sary. Round No. 000 hard-drawn copper wire is usedfor all main lines, and hard-bronzed wire of the sameform and size at places of especially severe wear. Whenpartly-worn trolley wire is replaced because of too manyweak spots, all the best parts are culled out and usedprovisionally over track in construction or else installedin the yards and the branches of lighter traffic. One improvement made in the double overhead sys-tem since its installation is the use of a single-poleroller-bearing trolley base for the old-fashioned double-pole type. This improvement was begun in 1913, andat the end of 1915 only fifty-seven of the old bases

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