. Le tourillon de chemin de fer électrique . s'évalue sous sa propre puissance de traction et effectue plusieurs passages sur la tête de rail pour effectuer le processus de flexion. La capacité de la machine est d'environ 700 ft. De rail par heure et les rouleaux fonctionnent sur un rail à la fois. Le coût d'exploitation de l'une de ces machinesis est estimé à 56 cents par heure. Lors du renouvellement, les rouleaux de la machine sont disposés par des fraises à roller qui forment une rainure en V sur le côté de la tête au point de courbure maximale. La bride inférieure est alors cassée par des griffes attachées à la machine de traction et donc la tête est relâchée et le
2226 x 1122 px | 37,7 x 19 cm | 14,8 x 7,5 inches | 150dpi
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. Electric railway journal . rates under its own tractive powerand makes several passes over the rail head to perform thecold-bending process. The capacity of the machine isabout 700 ft. of rail per hour and the rolls operate on onerail at a time. The cost of operating one of these machinesis estimated at 56 cents per hour. When renewal is made the rollers on the machine arereplaced by rolling cutters which make a V-shaped grooveon the side of the head at the point of maximum bend. Thelower flange is then broken off by claws attached to therolling machine and thus the head is released and the basemade ready for the addition of a new head section. PREPAYMENT CAR FOR HUTCHINSON, KAN. The Hutchinson (Kan.) Interurban Railway has recentlyreceived from the Danville Car Company the single-truckpay-as-you-enter car shown in the accompanying illustra-tion. The striking features of this car are the use of com-pletely inclosed platform cabs for the motorman and con-ductor and wire screens instead of sheets of metal for the. Cab-on-Platform Car for Hutchinson, Kan. dashers. The principal dimensions are as follows: Lengthof the car over all, 32 ft.; length of the car body over theend panels at the sill, 21 ft.; width of car at sill, includingpanels, 7 ft. g1/? in.; width of car body over posts abovethe belt rail, 8 ft. 2 in. The bottom framing consists of4%-in. x 7^-in. long-leaf yellow pine covered with ^-in. x8-in. plate; y/4-in. x 5-in. white oak end sills, and 4^-in. x6^-in. white oak center cross-joists. The body framingconsists of 3%-in. corner posts and 2%-m. side posts. Thesweep of the posts is 2% in. The roof is a monitor deck, strengthened by -Mj-in. concealed steel rafters. The doorsat each end of the car are of the double sliding type. The platforms are each 5 ft. 6 in. long and are furnishedwith wire screens. They have the usual dividing rail forentering and leaving passengers and can be closed by fold-ing gates as shown. The right-hand diagonal corner ofeach platfo
