. Electric railway journal . h four dumpies and a motormanscab at each end. Except for the cabs, they are con-structed of steel throughout, weighing 40 tons emptyand 72 tons loaded. They are equipped with GE-80motors and K control and are always operated motor for the dumping mechanism is of 6-hp ca-pacity. Each of the four compartments can hold 8 tonsof trap rock. Experience with these cars showed that it was possi-ble to cut down the weight without affecting lighter design, therefore, is now being incorporated inthe smaller cars. The latter will have three 8-ton com-pa
. Electric railway journal . h four dumpies and a motormanscab at each end. Except for the cabs, they are con-structed of steel throughout, weighing 40 tons emptyand 72 tons loaded. They are equipped with GE-80motors and K control and are always operated motor for the dumping mechanism is of 6-hp ca-pacity. Each of the four compartments can hold 8 tonsof trap rock. Experience with these cars showed that it was possi-ble to cut down the weight without affecting lighter design, therefore, is now being incorporated inthe smaller cars. The latter will have three 8-ton com-partments and weigh approximately 90,800 lb. description of this design follows: The new cars are 39 ft. 7^ in. long over all, 8 ft. 3 , 8 ft. 5 in. from the top of the rail to the top of acompartment and have 19-ft. 33/4-in. truck centers. Theunderframe consists of side sills of 7-in channels, 9%-lb. section, with 5-in. x 3-in. x %-in. angles at the ends;two center sills of 15-in. channels, 33-lb. section, end. Steel Multiple Dump Car—Single-Motor Car of 24 Cu. Yd. Capacity Placed Alongside Train of Old Ballast Cars of 22 Cu. Yd. Capacity to Show That Latter Is 44 Ft. Longer single 49-ft. steel dump car of 24 cu. yd. capacity and a93-ft. combination of motor car locomotive and fourtrailers of 22 cu. yd. capacity. On right-of-way and otherfree-running sections this car is operated at speeds of25 to 30 with perfect safety, which fact,taken in connection with its dumping mechanism, per-mits the cars at Hartford to run seven trips a day in-stead of the six trips customary with trains. Roughly sills of 12-in. channels, 20 ^-Ib. section and truss rods ofiy2-in. round iron upset at center to l3/4 in. and con-nected with turnbuckle. Both the top and bottom platesof the bolsters are of 10-in x 1-in. wrought iron or floor, end and apron plates of the body are % The trucks are of the Wason No. 30 type with4-ft. 6-in. wheelbase and carry h
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