. The Street railway journal . es, musthave the most deleterious influence on the efficiency of thedynamo and engine. On the other hand, by using storagebatteries, one can obtain the great advantage, that the en-gine and dynamo load remain almost uniform. If thepower consumption on the line rises above the capacity amounts to per cent. The load of the car, includingelectrical equipment, amounts to about (metric) we consider that the cars carry, besides the conductorand motorman, on an average one-third of their totalcarrying capacity, which is not estimating it too high,the ave
. The Street railway journal . es, musthave the most deleterious influence on the efficiency of thedynamo and engine. On the other hand, by using storagebatteries, one can obtain the great advantage, that the en-gine and dynamo load remain almost uniform. If thepower consumption on the line rises above the capacity amounts to per cent. The load of the car, includingelectrical equipment, amounts to about (metric) we consider that the cars carry, besides the conductorand motorman, on an average one-third of their totalcarrying capacity, which is not estimating it too high,the average total weight per car reaches (metric) the traction co-efficient to be twelve kilogramsper (metric) ton (twenty-four pounds per ton of 2,000 lbs.),the total round trip therefore requires 2 X 4,600 X 4-4(n + 12) = 931,000 kilogrammetres. No account is takenof the reduced consumption on down grades. The complete trip with all stops on the way and atthe end, requires fifty-two minutes; therefore with the al-. FIG. 4.—MOTOR WITH CASE OPEN—ZURICH ELECTRIC RAILWAY,lowance of 25 per cent, increase for starts and curves, this 931,000
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Keywords: ., bookcentury1800, bookdecade1880, bookidstreetrailwa, bookyear1884
