Modern trolley bus motor has reduced weight to about 13 lb per hp; this has been achieved by use of light weight metals, scientifically designed ventilation and by Class B insulation; types of British trolley bus motors described and characteristic curves presented.


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    Title :

    Recent developments in trolleybus motors


    Additional title:

    Engineer


    Published in:

    Engineer ; 171 , n 4437


    Publication date :

    1941


    Size :

    2 pages


    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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