. Electric railway journal . e from the center to the circum-ference. MOTORS A new type of interpole box-frame motor was designedespecially for this equipment by the General Electric Com-pany. It has K-35 control. The standard motors used onthe Chicago Railways have a rating of 40 hp. The newmotors are rated at 35 hp at 500 volts and weigh about440 lb. less per motor than the companys former standardtype. The maximum speed desired with these equipments is24 on level track at 500 volts potential and theschedule speed is approximately 9 with about sevenstops of 6 seconds duration p
. Electric railway journal . e from the center to the circum-ference. MOTORS A new type of interpole box-frame motor was designedespecially for this equipment by the General Electric Com-pany. It has K-35 control. The standard motors used onthe Chicago Railways have a rating of 40 hp. The newmotors are rated at 35 hp at 500 volts and weigh about440 lb. less per motor than the companys former standardtype. The maximum speed desired with these equipments is24 on level track at 500 volts potential and theschedule speed is approximately 9 with about sevenstops of 6 seconds duration per mile. The gears weremade by the Tool Steel Gear & Pinion Company and have5/4-in. face and eighty-two teeth on three and a halfdiametrical pitch. The pinions have sixteen teeth. A gearratio of 17 to 69, with three pitch, is used on this companys40-hp motors, but a change is contemplated with a view tosaving energy. The specifications required that the P-- --7/ p 63i Total Length Overall 4a 1 ■>i- M«-«P—•!«-. Ufiolled Finish*]*--Finish —Rolled finish - Section Through Gear Seat Chicago Car—Standard Axle efficiency of the new 35-hp motors, with gears, be not lessthan per cent with an armature speed not greater than605 at 500 volts. The specifications for the new cars and equipment heredescribed were signed by the following members of theHoard of Supervising Engineers of Chicago Traction:Bion J. Arnold, chairman and chief engineer; GeorgeWeston, representing the city of Chicago, and John , representing the Chicago Railways Company. 654 ELECTRIC RAILWAY JOURNAL. [Vol. XXXVIII, No. 15. Accident Work of the Future A Discussion of the Possible Means for Reducing the Number of Accidents BY F. W. JOHNSON, SUPERINTENDENT BUREAU FOR PREVENTION OF ACCIDENTS PHILADELPHIA RAPID TRANSIT COMPANY The peculiar temperament of the American people, withits impetuous haste, its reckless disregard of the sacred-ness of human life and the attendant economic waste
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