. Electric railway journal . driving axle, pounds 41,000 On each pony axle, pounds 29,000 Rigid wheelbase 14 ft. 3 in. Total wheelbase 59 ft. 6 in. Length over all 69 ft. 0 in. Diameter of driving wheels 63 in. Diameter of driving axles 8 in. Size of main 7 in. x 13 of truck 36 in. Size of truck 6 in. x 12 of drive Quill-geared Number of motorsHorsepower: One-hour Continuous Maximum safe speed— Tractive Effort : One-hour, pounds .... Continuous, pounds . Momentary maximum pounds Gear ratio 12 2,5502,025 70 21,00014,500 27 :S7 Presen
. Electric railway journal . driving axle, pounds 41,000 On each pony axle, pounds 29,000 Rigid wheelbase 14 ft. 3 in. Total wheelbase 59 ft. 6 in. Length over all 69 ft. 0 in. Diameter of driving wheels 63 in. Diameter of driving axles 8 in. Size of main 7 in. x 13 of truck 36 in. Size of truck 6 in. x 12 of drive Quill-geared Number of motorsHorsepower: One-hour Continuous Maximum safe speed— Tractive Effort : One-hour, pounds .... Continuous, pounds . Momentary maximum pounds Gear ratio 12 2,5502,025 70 21,00014,500 27 :S7 Present120-Ton073-0752-4 + 4-2 123,900 115,100 239,000 45,500 28,5008 ft. 0 ft. 6 ft. 0 in. 63 in. 8 in. 7 in. x 13 in. 36 in. x 12 Present109-Ton01-0412-4 + 4-2 105,600 112,000 217,60041,900 1,7001,350 55 17,70012,200 25,0008 ft. 0 ft. 9 in37 ft. 7% in. 62 In. 8 in. IVi in. x 10 in. 33 in. x 10 1,1201,125 85 9,7006,400 558 Electric Railway Journal Vol 51, No. 12. SPECIAL OVERHEAD COSTRUCTION ON VIADUCT, NEW YORKCONNECTING RAILROAD The new engines are duplicates of these present en-gines in all essential respects, the main differencesbeing that there are three pairs of drivers on each truckinstead of two, and pony axles are used at both endsof each truck instead of the outer ends only. In allprincipal respects also the details of the locomotive areidentical with the thirty-four freight and heavy pas-senger straight single phase locomotives built in 1911for use in freight service. The principal data regarding the three types of pas-senger locomotives of the road are given in the tablesat the bottom of page 557. The motors are connected in groups of three perma-nently in series, and the speed characteristics are sub-stantially the same as those of the original gearlesslocomotives. The control is to be arranged for multiple-unit double-heading of locomotives of these two are geared for a higher speed than the p
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