. The Street railway journal . on down grades, is as follows: With grades of per cent, At a speed of 30 km 40 100 132 165 169 At a speed of 60 km 21 90 *i5o *200 *25o * Speeds of 60 km per hour have not yet been employed on the gradesrepresented by these figures. FLY-WHEEL EFFECTAs will be seen by the load diagrams, Figs. 3 and 4, taken atthe Morbegno power station, the load peaks caused by thestarting of even the heaviest trains are not higher than about70 per cent to 80 per cent of the energy requirements corre-sponding to the average consumption of the trains in opera-ti
. The Street railway journal . on down grades, is as follows: With grades of per cent, At a speed of 30 km 40 100 132 165 169 At a speed of 60 km 21 90 *i5o *200 *25o * Speeds of 60 km per hour have not yet been employed on the gradesrepresented by these figures. FLY-WHEEL EFFECTAs will be seen by the load diagrams, Figs. 3 and 4, taken atthe Morbegno power station, the load peaks caused by thestarting of even the heaviest trains are not higher than about70 per cent to 80 per cent of the energy requirements corre-sponding to the average consumption of the trains in opera-tion. This favorable circumstance is clue in the first place to act like a huge fly-wheel, having the effect of flattening outthe momentary peaks, an exceedingly valuable peculiarity ofthe three-phase traction system which should be duly appre-ciated, as up to the present time very little or almost no atten-tion has been paid to it. OUTWARDLY DISPOSED COLLECTOR RINGSOn the latest type of the Valtellina locomotives, as described.
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
