. The street railway review . erbeat the reault obtained, al maximum load, mi 19 lb pet ; or about 1i i per L n, p, hour. Many other molts have been recorded, but tboae given winprobably be sufBdent to show that onder service condltlona, theturbine baa demonstrated its blgb effldeney. ltut is ita effldeney maintained! a quest! iften asked, aim a very Important one, too. Looking at the turbine casually, itseems as tbougb there would be little opportunit] for anychange In its mechanical functions. There la no complicatedvalve gear to get out of adjustment; no pistons bo leak; no rub-bing
. The street railway review . erbeat the reault obtained, al maximum load, mi 19 lb pet ; or about 1i i per L n, p, hour. Many other molts have been recorded, but tboae given winprobably be sufBdent to show that onder service condltlona, theturbine baa demonstrated its blgb effldeney. ltut is ita effldeney maintained! a quest! iften asked, aim a very Important one, too. Looking at the turbine casually, itseems as tbougb there would be little opportunit] for anychange In its mechanical functions. There la no complicatedvalve gear to get out of adjustment; no pistons bo leak; no rub-bing surfaces t set up exceedve friction; little chance of mla> alignment; and altoftetber there seems to be no ^ i reason irhj Its original lltlon ahould ever !»• very much disturbed. The appear to be the vulnerable point for the] do the wontand there arc a good many of them. Their number, though, is in their favor, and being loaded as tic \ are to only about 2\k at f the pressure they are buill for, they possess an at>-. FIO. 8-1500 KW INIT, HARTFORD ELECTRIC CO. one _l and 44 by (io, liotli cross-compound horizontal. Theseengines drive direct by bell 100-kw. and one uoo-Uw. gener-ator. The turblni ourse, direct-connected to its generator. The company has I. comparisons of operation based iu each in rather extended inns, it has been found that the tur-bine requires in delivering 1,900 kw. on the board about the sameamount of coal thai is need with the corllss engines to deitver925 kw., the steam pressure and vacuum being identical in ; and this with the engines running at about their poiut effldeney, and known !■■ be in excellent condition. Compari-sons of this kind, while not scientifically exact, are pcrh. f commercial performance. The data at hand of tesis mi one of the 400 kw. turbines atresult of lb leal borae-power- t full load, with 126 lb. steam pressure and 20 to 27 At half-load it is 18J2 lb. At the Eilberneld Municipal Elec
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Keywords: ., book, bookcentury1800, bookdecade1890, booksubjectstreetrailroads
