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Wheelclimb Derailment Processes and Derailment Criteria
The most widely accepted criterion for wheelclimb derailment defines an upper limit for safe operation on wheel/rail contact forces on the climbing wheel, with the limit varying with time duration of the forces. For dynamic wheelclimb processes with significant lateral velocities, lateral forces...Amtrak/Knorr Disc Brake Study : Volume 1 - Final Report
This report describes the Amtrak/Knorr Disc Brake Study which was developed: (1) To evaluate candidate replacement disc brakes for the Knorr discbrakes presently in use on Amfleet and Turboliner cars. (2) To explain the cause of the loosening of the attaching pins and the excessive wear...Amtrak/Knorr Disc Brake Study : Volume II - Appendices A through I
This volume contains the following appendices to Volume I, Final Report: Appendix A - Wheel Condition Effects Appendix B - Effects of Cyclic Loads on Pin Wear Appendix C - Over-the-Road Test Acceleration Data from the Boston Run Appendix D - Over-the-Road Test Acceleration Data from the...Brake System Design Optimization- Volume II: Supplemental Data
This report presents supplemental data which support Volume I, A Survey and Assessment, DOT-TSC-FRA-78-1,I,FRA/ORD-78/20,I, dated June 1978, 140 pages. A detailed description of the functional performance of each freight car air brake system component is provided. This is followed by a discussion...FRA Announces Final Rule to Prevent Unattended Trains from Rolling Away
WASHINGTON – The Federal Railroad Administration (FRA) today issued a final rule to prevent unattended trains that carry crude, ethanol, poisonous by inhalation (PIH), toxic by inhalation (TIH), and other highly flammable contents from rolling away. Railroad employees who are...