Self-propelled vehicles; a practical treatise on the theory, construction, operation, care and management of all forms of automobiles (1906)
Homans, James E. (James Edward), b. 1865 · New York, T. Audel & Company · leaf 489
, when running down a 3 per cent, or 4 per cent, grade, asis required when running on a level. The efficiency of a seriesmotor is very low below half load. When a carriage is running down a y2 per cent, grade, forexample, the load is very much less than when running on alevel, but the current… … Fig. 357.—Electric Brewery Wagon of the Vehicle Equipment Co. Carryingcapacity, 5 tons: speed, 6 miles per hour at full load; travel radius onone charge, 25 miles. Due to the two causes mentioned, a carriage driven by thismotor will travel from 15 to 40 per cent, further than the sameone driven by…
Automobiles
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