. Electric railway journal . SANTUARIO SAVOHA PROFILE AND CURVES OF SAVONA-CEVA RAILWAY—GRADIENTS INDICATED IN PER CENT 1152 ELECTRIC RAILWAY JOURNAL [Vol. 50, No. 26 exerted. The weight of a train on the maximum gra-dient of the Savona-Ceva line under single traction canbe 230 metric tons. With two leading locomotives theweight can be 260 metric tons. With a pusher locomo-tive, however, the weight of the train can be doubled,throwing upon each locomotive the same weight asunder single traction, or 230 tons. The Italian mountain electric railways go beyondthis, however. The fact that a train p
. Electric railway journal . SANTUARIO SAVOHA PROFILE AND CURVES OF SAVONA-CEVA RAILWAY—GRADIENTS INDICATED IN PER CENT 1152 ELECTRIC RAILWAY JOURNAL [Vol. 50, No. 26 exerted. The weight of a train on the maximum gra-dient of the Savona-Ceva line under single traction canbe 230 metric tons. With two leading locomotives theweight can be 260 metric tons. With a pusher locomo-tive, however, the weight of the train can be doubled,throwing upon each locomotive the same weight asunder single traction, or 230 tons. The Italian mountain electric railways go beyondthis, however. The fact that a train permits com-. SOFT IRON RAIL BONDS APPLIED BY AUTOGENOUS WELDING,SAVONA-CEVA RAILWAY pression considerably in excess of the permissiblestrain in tension has led naturally to the placing of twolocomotives at its rear on grades. Thus a triple trac-tion is obtained. One objection, however, to the useof one locomotive at the head and two at the tail of thetrain on track of varying profile and where regenera-tion is in use is that the strain exerted by the rear twolocomotives may, on a gradient, prove too great. Con-sequently triple traction is sometimes used on theSavona-Ceva line, but double traction has been moregenerally adopted, with single traction for trains oflight weight. Since the freight cars on Italian rail-ways do not have automatic brakes, the use of pusher
Size: 1918px × 1302px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
