. Electrical world. FIG. I.—SHOWING METHOD OF SPLICING. rying capacity to 3/0 B. & S. gauge, and weighing approximately4,200,000 pounds. The cable is to be used on the Nicaxia-Mexicopower transmission line, now under construction, and it will besupported on steel towers in spans of 500 ft. The length of thespans, together with the necessity of reducing the dip as much aspossible and the high wind pressure to be withstood, made the matterof cables one of considerable importance. The cable furnished bythe Ansonia Brass & Copper Company was designed by Mr. W. , of Seattle, Wash., electrica
. Electrical world. FIG. I.—SHOWING METHOD OF SPLICING. rying capacity to 3/0 B. & S. gauge, and weighing approximately4,200,000 pounds. The cable is to be used on the Nicaxia-Mexicopower transmission line, now under construction, and it will besupported on steel towers in spans of 500 ft. The length of thespans, together with the necessity of reducing the dip as much aspossible and the high wind pressure to be withstood, made the matterof cables one of considerable importance. The cable furnished bythe Ansonia Brass & Copper Company was designed by Mr. W. , of Seattle, Wash., electrical engineer. Mr. Clark found thatthe cable should have the highest possible elastic limit to withstand. FIG. 2.—ELASTIC CENTERED C.\BLE. the strain; high conductivity to reduce to a minimum the area ex-posed to wind pressure, high ductility to reduce the possibility ofthe strands breaking at the ties, and also that each length of cableshould be made without splices in the strands to maintain an eventemper and elongation; while the cable should be made in lengthsas great as could be conveniently handled on the ground, and sodesigned that the strain should be evenly distributed between theconstituent strands—each strand carrying its own portion of theload. A series of experiments demonstrated that while the ordinary
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
