. The Street railway journal . tal caps, tie bars,transom, equalizing bars, frame braces swing and safetyhangers, spring plank axles, and brake rigging are offorged iron. The brake head and shoe are similar to thosein the motor trucks. The weight of a trailer truck is9400 lbs. The wheels are steel-tired, with separate cast-iron spokecenters. The following are the dimensions: Inches. Outside diameter of tire 30 Total width of tire 514 Width of flange 1% Height of flange ji^ Diameter of axle at center ^y^ The tires are of the same type and are secured in the samemanner as those on the motor truc
. The Street railway journal . tal caps, tie bars,transom, equalizing bars, frame braces swing and safetyhangers, spring plank axles, and brake rigging are offorged iron. The brake head and shoe are similar to thosein the motor trucks. The weight of a trailer truck is9400 lbs. The wheels are steel-tired, with separate cast-iron spokecenters. The following are the dimensions: Inches. Outside diameter of tire 30 Total width of tire 514 Width of flange 1% Height of flange ji^ Diameter of axle at center ^y^ The tires are of the same type and are secured in the samemanner as those on the motor trucks, and the wheels andaxles also conform to the same specifications journals are 4>4 ins. x 8 ins. The finished truck isillustrated in Fig. 13. Both motor and trailer trucks weremanufactured by the Baldwin Locomotive Works. THIRD-RAIL SHOESThe standard third-rail shoes on the Long Island cars areof the hinged-slipper type, supported on the usual woodenbeam, which is clamped against the notched face of the. FIG. 14.—THIRD-RAIL SHOE, FUSE AND CONNECTIONS equalizer spring seat castings, providing means for verticaladjustment. Upon the center of the beam is placed a 600-amp enclosed-type fuse in a wooden box, with a hinged coverand lined with asbestos. The arrangement is shown indetail in Fig. 14. Trains from the Brooklyn Rapid Transit Companys ele-vated lines operate over the Atlantic Avenue and RockawayBeach Divisions by way of Chestnut Street Junction to Rock-away Park. The Brooklyn elevated lines have been for someyears operated by the third rail, but the location of theirrail is 22% ins. outside and 6 ins. above the trackrail, while the Long Island Railroad third rail is 26ins. out and 33^ ins. up. This made it necessary todevise some form of adjustable third-rail shoe which wouldoperate with equal facility over both third rails andbe able to change from one to the other at reducedspeed without requiring attention on the part of the motor-man or train cre
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
