. Electric railway journal . modernized which were equipped with two motors controllers, standard on the property, are readilycapable of handling four motors. The next developmentinvolved merely putting pairs of these cars togetherwith permanent coupling, rearranging the wiring andcarrying it through on the permanent coupling bar,stripping each car of one trolley and one set of airand electric controls and removing one air so put together operated perfectly as double-endtwo-car trains. While this development was going on, war conditionswere rapidly advancing the cost o
. Electric railway journal . modernized which were equipped with two motors controllers, standard on the property, are readilycapable of handling four motors. The next developmentinvolved merely putting pairs of these cars togetherwith permanent coupling, rearranging the wiring andcarrying it through on the permanent coupling bar,stripping each car of one trolley and one set of airand electric controls and removing one air so put together operated perfectly as double-endtwo-car trains. While this development was going on, war conditionswere rapidly advancing the cost of labor and materialand platform labor was becoming extremely scarce,even though wages were rapidly advanced. Seventy-twoof the oldest cars owned by the company and whichhad been excluded from the original program of recon-struction and modez-nizing had by this time becomesorely in need of general overhauling if they were tobe kept longer in service. Under ordinary circum-stances it is probable that these cars, on account of. SFECIALLY CONSTRUCTED CENTER TRUCK HAVINGINSIDE JOURNALS FOR USE ONTHREE-TRUCK TRAIN their extreme age, wouldhave been scheduled for re-tirement from service. Un-der war conditions thistreatment was of courseout of the question. Theproblem presented was howto treat these cars, incidentto the necessary repair andreconstruction, so as to de-rive the maximum benefitfrom the expenditure. Itwas reasoned that if double-end, two-car trains operatedby thr«e men were advan-tageous, as compared withsingle-unit operation withtwo men per car, a two-cartrain arranged to be han-dled by one conductor would be even more point was emphasized by two considerations,namely: (1) Scarcity and high cost of platform labor;(2) difficulty of making tripper runs attractive to menwithout payment of excessive bonus i Construction of the Three-Truck Train To handle a two-car train with one conductor in cityservice requires, of course, that the passengers beall
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