. Electric railway journal . of thebolster as four-motor equipments are to be radial couplers operated by chains carriedout to handles at the sides of the car have been adoptedand these swing on a radius of 5 ft., being supported ona carrier bar of 3-ft. 5-in. radius extending for practi-cally a full semicircle at the ends of the car. This hasbeen necessitated by the fact that the cars had to bedesigned to operate in trains around curves of 35 The motor equipment as well as the air brakes are tobe furnished by the General Electric Company. Owingto the fact, howev
. Electric railway journal . of thebolster as four-motor equipments are to be radial couplers operated by chains carriedout to handles at the sides of the car have been adoptedand these swing on a radius of 5 ft., being supported ona carrier bar of 3-ft. 5-in. radius extending for practi-cally a full semicircle at the ends of the car. This hasbeen necessitated by the fact that the cars had to bedesigned to operate in trains around curves of 35 The motor equipment as well as the air brakes are tobe furnished by the General Electric Company. Owingto the fact, however, that the equipment is to operateon 2400-volt third-rail system not all of the detailshave yet been decided on, and for this reason no infor-mation regarding them is available at the present time,aside from the fact that four 140-hp, 1200-volt motorsconnected in pairs in series, together with multiple-unitcontrol, will be installed on each car. DETAILS OF CONSTRUCTIONThe car in general is of the side-girder type, and be-. Michigan Cars—Rear View of Car Showing End and SideDoors of Baggage Compartment tween trucks the bottom framing is used only to carrythe direct load from the floor. The bolsters are of thebuilt-up type, but they are double, one transverse mem-ber such as is shown in the accompanying illustrationbeing located 21% in. on each side of the center plate,which is carried on a pair of 10-in. channels extendingbetween the two bolster members. These bolster mem-bers are also tied together at a point midway betweenthe center and the side of the car by 10-in., 25-lb. I-beams. The main supporting member of the car consists ofa %-in. plate which extends for the full length of thecar and is framed into the crown pieces at the ends.
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
