. Electrical world. FIG. 2.—ELECTRIC EXPRESS W.\G0N. $155; new negative plates, $84; new wooden separators. $;rubber separators. $; rubber jars broken in service and handling,$; total repair in connection with battery, $65; supplies and allother expenses, $ Total, $ On the basis of 30 milesper day and 288 full working days per year for such a wagon, thismeans 8,640 miles per year, which brings the battery to cents per vehicle mile, or $ per day. As to rubber tires, on a 2,000-pound wagon, a 3^4-in. tire is a gen-erous one and the price of
. Electrical world. FIG. 2.—ELECTRIC EXPRESS W.\G0N. $155; new negative plates, $84; new wooden separators. $;rubber separators. $; rubber jars broken in service and handling,$; total repair in connection with battery, $65; supplies and allother expenses, $ Total, $ On the basis of 30 milesper day and 288 full working days per year for such a wagon, thismeans 8,640 miles per year, which brings the battery to cents per vehicle mile, or $ per day. As to rubber tires, on a 2,000-pound wagon, a 3^4-in. tire is a gen-erous one and the price of a set of such tires, allowing somethingfor scrap, is about $188. In New York City such tires may be de-. FIG. 3.—ELECTRIC pended upon for about g,ooo miles service, which is equivalent cents per vehicle mile, or cents per day. For charging, the requirement is kw-hours per day pervehicle. If this is taken from an isolated plant with which a stableor store may be equipped, the cost would never be above 2 cents perkw-hours, and when taken from the street mains it usually amountsto something nearer 4 cents. Assuming 3 cents, on a basis of 288working days per year, the total consumption is 4,090 kw-hours,which at 3 cents is $ per annum, or i. 42 cents per vehicle mile. April i6, 1904. ELECTRICAL WORLD and ENGINEER. 31 For the cost of general repairs it is stated that the annual chargewill be about 4 cents of the price of the wagon, the batteries and tiresbeing left out. In the modern type of wagon costing $2,500, theprice less batteries and tires is $1,827; 4 per cent, of this is $ perannum, or 85 cents per vehicle mile as the average for general
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectelectri, bookyear1883
