. Electric railway journal . eir construction, is that the steelcars have drop sash. This arrangement of windows wasused so that the weight of the framing might be kept window arrangement is not so objectionable in steelcars as it would be in wooden cars. By the use of steelsash and steel window posts any water leaking into a dropwindow pocket will not cause the sash to warp or bind,as would be the case with wooden sash arranged to dropin pockets. The principal reasons favoring the choice of steel carswere the following: With the possibility of subways forsurface traffic in the downto
. Electric railway journal . eir construction, is that the steelcars have drop sash. This arrangement of windows wasused so that the weight of the framing might be kept window arrangement is not so objectionable in steelcars as it would be in wooden cars. By the use of steelsash and steel window posts any water leaking into a dropwindow pocket will not cause the sash to warp or bind,as would be the case with wooden sash arranged to dropin pockets. The principal reasons favoring the choice of steel carswere the following: With the possibility of subways forsurface traffic in the downtown district of Chicago, it wasthought desirable to design a type of car suited for under-ground service; also the steel car was thought to be moresanitary, to have an increased life over wooden cars, andto eliminate the fire risk and possibly lower the mainte- company previously mentioned. The estimated weights ofthe new cars are 52,700 lb. summer and 53,000 lb. approximate weights of the parts are: Body, complete. Electric Ry. Jovrnul Chicago Steel Cars—Half Cross Section
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