International Library of Technology · Scranton, International Textbook Co. · leaf 506
ng. The ring 25 ELECTRIC RAILWAYS. 69 has gig inch end play, but cannot rotate at all; hence, when itis magnetized, it draws itself over, clutches disk S, and tendsto prevent its turning, thereby acting as a brake. Both thedisk and ring are provided with wearing plates IV. So fai as the motorman is… … Fig. 78. contact tips and on the other the brake contact tips. To startthe car, the controller handle is operated as usual; to throwthe current off, preparatory to making a stop, the handleis thrown to the off-position, as usual; to apply the electricbrake, the handle is simply kept moving past the…
Electrical engineering
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