. American engineer and railroad journal . , and the committee believes this only resultsin less bearing area and is of no value, and accordingly thedrawing has been changed to show a ^-inch radius at thispoint and the side of the lug has been slightly tapered. 1 he committee recommends the adoption of these changes,which we believe to be improvements in the design of the head,without affecting its interchangeability with heads and shoesnow in service. Reviezv of Recommendations 4 and 5 of the 1910 Report.—Among tfee several recommendations made by the committee atlast years convention there w
. American engineer and railroad journal . , and the committee believes this only resultsin less bearing area and is of no value, and accordingly thedrawing has been changed to show a ^-inch radius at thispoint and the side of the lug has been slightly tapered. 1 he committee recommends the adoption of these changes,which we believe to be improvements in the design of the head,without affecting its interchangeability with heads and shoesnow in service. Reviezv of Recommendations 4 and 5 of the 1910 Report.—Among tfee several recommendations made by the committee atlast years convention there were two, numbers 4 and 5, whichwere rejected on the letter ballot. They are as follows: That all No. 2 beams used on cars built after January i,1908, shall be of such dimensions thrt all parts of the beam willlie within the outline shown in Fig. 10 of this report; and thatthis outline be shown among the standard drawings. That on page 591 of the Proceedings for 1909. the seventhparagraph, relating to beam No. 2. be changed to read: Beam. 12001) lAoaa Kooa isooo 20000 BRAKE SHOC PRESSURE IM POUNDS No. 2 must be used on cars of more than 35,000 pounds lightweight, and it may be used on cars of 35,000 light weight orless. For the purpose of ascertaining tlie reasoii for the objectionto these two recommendations, the committee early issued tothe membership of the Association a circular of inquiry, ask-ing the roads which voted agamst these propositions to statetheir reasons to the committee. The purpose of this procedurewas to secure for the committee such information as would
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
