File:The Street railway journal (1904) (14738719456).jpg

Identifier: streetrailwayjo241904newy (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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arrow gage track in the yard of the Greenville factoryfor several months, and in December, 1882, made almost dailypublic tests with the four motors running parallel. Curiouslyenough, that which seemed to occasion most comment amongthe street railroad men was running the machines in oppositedirections on four sections of the same track. While of small dimensions, these motors could hardly becalled toys, since one of them was frequently made to towa flat car loaded with 3 or 4 tons of iron, and as they weresingle-reduction sprocket geared, the armatures were not in-frequently suspected of smoking and other bad habits. The control was by commuted fields and carbon-rod rheo-stats, and the brakes were electric of the bipolar moving-corevariety. The track was 16-lb. rail of 22-in. gage, and spikedon ties projecting well above the ballast, without any attemptat other insulation. Seeking opportunities for more practical work, early in 1883the writer designed the electric locomotive Ampere for
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FIG. 1.—DAFT MOTOR AMPERE—1883 trial on the Mount McGregor steam railroad at Saratoga, andduring the summer of that year equipped about i% miles ofthat road with a 35-lb. third rail, mounted on resinized woodblocks in the center of the track, with soft rubber insulationunder the foot of the rail and bolt heads. The pressure was130 volts, and except in drenching rains the leakage was in-significant. The best work of this motor consisted in towingan ordinary day coach containing sixty-eight passengers, mak- October 8, 1904.) STREET RAILWAY JOURNAL. 529 ing a load altogether of some 17 tons over a curve of about100 ft. radius on a gradient of 93 ft. per mile. An accident dueto the breaking of a temporary coupling occurred on the firstday of public running, but after repairs were made the Am-pere continued running intermittently for two or three weeks. This motor was double-belt reduction, with both drivers en-gaged from a countershaft under the body, and was controlledby grouping the

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