. Electric railway journal . B. R. T. Running Gear—Drum Casting for Alignment of Bearings in Rebored Motor Shell—Press Used to Take Out and Install Armature Bearings lubrication, was due in large part to a radical change inthe bearing metal of the brasses and to various alterationsin the style of the brasses. The original bearing metal wasa soft-lead-base babbitt which frequently squashed out ofthe brasses. Since February, 1910, this source of troublehas been eliminated, however, by a new composition whichconsists of 83^3 per cent tin, 8}i per cent antimony and8^5 per cent copper. In ordering

---

. Electric railway journal . B. R. T. Running Gear—Drum Casting for Alignment of Bearings in Rebored Motor Shell—Press Used to Take Out and Install Armature Bearings lubrication, was due in large part to a radical change inthe bearing metal of the brasses and to various alterationsin the style of the brasses. The original bearing metal wasa soft-lead-base babbitt which frequently squashed out ofthe brasses. Since February, 1910, this source of troublehas been eliminated, however, by a new composition whichconsists of 83^3 per cent tin, 8}i per cent antimony and8^5 per cent copper. In ordering this alloy the companypermits a variation of 10 per cent in the amounts specifiedfor antimony and copper, but it will not accept the babbittif the impurities exceed per cent of the whole. It was not found necessary to change the patterns of thetwo sizes of elevated motor journal brasses, but the journalbrasses for elevated trailing axles were lengthened 7/16 the sides to take the brakeshoe thrust, and the thre

---

Size: 1053px × 2373px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1900, bookidelectricrailway411913newy