Identifier: electricrailway581921newy (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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the step hanger runs back under the car and apiece of old rail is attached to it to balance the step.With this installation it requires from 6 to 8 lb. tooperate the doors and steps. December 17, 1921 Electric Railway Journal 1079 Preventing Overhead Corrosion Steel Messenger Wire Was Replaced with Copper Clad UsingSame Three-Point Suspension with GalvanizedIron Hangers By L. E. Scott Assistant Engineer Connecticut Company DURING the year 1907 8 miles of New York, NewHaven & Hartford double-track steam road be-tween East Hartford and Vernon, Conn., was electrifiedfor 600-volt direct-current trolley operation. This wasdone primarily for the passenger service. A three-pointcatenary suspension with 150-ft. section on the straighttrack was used. The messenger was Siemens-MartinA-in. stranded galvanized steel cable, the hangers werethe G. E. Japan pipe type and the trolley was No. 0000grooved copper and the ears were of the malleablescrew type. This section is on a grade of 13 ft. per
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Catenary Construction Used to Overcome of $6,100 was made for construction exactly as aboveexcept for the messenger of galvanized steel. Afterfurther discussion it was finally decided to replace thesteel messenger with a copper clad messenger and touse the same three-point suspension with galvanizediron hangers. The spans were to be of i-in. seven-strand galvanized iron and the pull-offs i-in. seven-strand galvanized iron. The trolley and messenger were anchored everythousand feet by using Ohio Brass strain plates withtwo extra plates on top, between which the messengerwas clamped by replacing the standard plates withlonger plates. The anchor wires were A-in. seven-strand galvanized iron. The lengths of the messengersused varied with the lengths of the sections, which were150 ft. on straight track and as short as 80 ft. on thecurves. Six lengths of flexible hangers were used,namely, 5 in., 6 in., 131 in., 15 in., 16i in. and 18i in.

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