Cyclopedia of applied electricity : a general reference work on direct-current generators and motors, storage batteries, electrochemistry, welding, electric wiring, meters, electric lighting, electric railways, power stations, switchboards, power transmission, alternating-current machinery, telegraphy, etc. (1916)
American Technical Society · Chicago : American Technical Society · leaf 435
hollow axle. Each motor is entirely enclosed, so that it is water-and dirt-proof. By this motor construction an economy of bothspace and power is effected and the cars run with high efficiency. Thecontrollers are provided with 6 speeds, 3 with series-connected motorsand 3 with parallel-connected,… … 390 TRACKLESS TROLLEY TRACTION 11 may be made very light and the total weight of a car reduced to lessthan 2 tons. Fig. 10 gives a clear idea of the construction of thechassis of these cars. Fig. 11 shows the application of the Mer-
Electrical engineering
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