. American engineer and railroad journal . 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. 14040 KOOO
. American engineer and railroad journal . 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. 14040 KOOO isooa zocct BRAKE SHOE PRESSURE IH POUNDS ^S6!?^ permit it to modify the recommendations so as to make themacceptable to the objecting roads. A meager response, only,was returned. Some of the suggestions received in reply to this circular areconflicting, but they have all been combined, as far as possible,to form a new diagram as is shown in Fig. ig. The principal points raised related: 1. To the distance from the face of the brake head to theback of the beam, which has been changed from $1/2 inches to5 inches. 2. With steel or steel-tired wheels, which may be reduced inches in diameter, there is danger with a deep beam of hav-ing the fulcrum striking the axle. 334 AMERICAN ENGINEER AND RAILROAD lOURNAL August, IJll. 3. The location of the diagonal lines limiting the tensionmembers of the beam has been changed to avoid confiiction withsome beams which are now in service. The diagram shown in Fig. 19 is submitted for the considera-tion of the with the same re
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectrailroadengineering
