. The street railway review . riNIO ISLAND IAHK, the inside is a J4-in. dial, lioili Ihhik drivin liy llic smuic iiinvriiuiil. At Kclleys Ralls the station is a combined sleam and water jiuwer station. The steam plant is used only in rases of emergency and during ?76 stri:l:t railway review. [Vol. XIV. No. 5. low water. A timber dam, stone filled, with masonry wings, spansthe river and gives under ordinary conditions a head of 24 (t. atthe wheels The wheels art two in nunibcr, 33-in .\IcCormick hori-zontal turbines, and are enclosed in a steel penstock 11 ft. in diame-ter; they arc belted dire
. The street railway review . riNIO ISLAND IAHK, the inside is a J4-in. dial, lioili Ihhik drivin liy llic smuic iiinvriiuiil. At Kclleys Ralls the station is a combined sleam and water jiuwer station. The steam plant is used only in rases of emergency and during ?76 stri:l:t railway review. [Vol. XIV. No. 5. low water. A timber dam, stone filled, with masonry wings, spansthe river and gives under ordinary conditions a head of 24 (t. atthe wheels The wheels art two in nunibcr, 33-in .\IcCormick hori-zontal turbines, and are enclosed in a steel penstock 11 ft. in diame-ter; they arc belted directly to the main Itinerating machinery consists of one 24-pole, 60-cycle, 450- Two penstocks 10 ft. in diameter furnish water to two sets ofhorizontal turbine wheels. One set consists of three 27-in. Mc-Cormick turbines, and the other two Hercules turbines made bythe llolyoke Machine Co. One set is direct connected to each endof the generator shaft. The generator is a three-phase, revolving field type. General Elec-. AT MAS3ABESIC I^AlvE. kw., two-phase, 6,000-volt Stanley generator, running at 300 r. p. m.,and two small Stanley generators of 200 and i8o-kw. capacity, re-spectively. These Lillcr generate current at 2,iOO volts, two-phase,.ind arc connected to the transmission line by step-up transformers,no transformers being required for the 450-kw. machine. The boiler room contains five 200-h. p. upright Manning boilerswhich furnish steam, slightly superheated, to two engines, one a trie, l,200-kw., il,oco-volt machine which runs at a speed of 327r. p. m. The gates and all of the wheels are connected to a single Sturgessgovernor. This governor is of the quick-acting type and operatesthe gates by admitting oil under pressure on either side of a rotatingpiston. It is provided with a special mechanism for increasing ordecreasing the diameter of its pulley in order to prevent any tend-
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
