. Electric railway journal . OF A SOLDERED BOND, SHOWING METHOD OF HEATING THE RAIL October 28, 1916] ELECTRIC RAILWAY JOURNAL 939 circuit. The cost for the same conductivity is about45 per cent of that for the outside stranded cable bond. Acetylene in the Car Shop In Cutting, Softening and Welding, This Gas ProvesUseful and Economical in the Shop BY G. E. HAAR Master Mechanic, Washington Railway & Electric Company,Washington, D. C. In the shops of this company acetylene gas has proveduseful in a number of ways and has been the source ofa considerable saving of money. A few instances show-ing
. Electric railway journal . OF A SOLDERED BOND, SHOWING METHOD OF HEATING THE RAIL October 28, 1916] ELECTRIC RAILWAY JOURNAL 939 circuit. The cost for the same conductivity is about45 per cent of that for the outside stranded cable bond. Acetylene in the Car Shop In Cutting, Softening and Welding, This Gas ProvesUseful and Economical in the Shop BY G. E. HAAR Master Mechanic, Washington Railway & Electric Company,Washington, D. C. In the shops of this company acetylene gas has proveduseful in a number of ways and has been the source ofa considerable saving of money. A few instances show-ing how we have utilized its properties may be of inter-est to readers of the Electric Railway Journal. In cases where steel or iron is to be bent and a forgeis not at hand or cannot be conveniently applied to thework, acetylene can be readily used for softening pur-poses. As an example, this company had a rectangularsteel truck frame badly bent in a collision. To havetaken it to the shop in this condition and taken it apart. TWO STEPS IN THE PROCESS OF GAS-WELDING BRASS HANDLESTO BRAKE WHEELS for straightening and squaring would have been a time-consuming and expensive operation. A gas equipmentwas taken to the spot, the truck frame was heated, andby means of wrenches was promptly repaired in theyard. Of course, there is no novelty in the use of the acety-lene flame in cutting metals, and we naturally consideredit in removing steel tires from wheel centers. How-ever, we first found that if the flange was cut throughand a shallow cut taken in the tread, a blow of a sledge-hammer would crack the tire through. Later we foundthat it was only necessary to cut through the flange,after which a short hammer blow cut the tire is our present practice in removing tires, and thetime required is practically negligible as compared withthe practice formerly used. An example of acetylene welding which interested thewriter very much personally was as follows: ThePublic Utilities Com
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