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Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 CONT

Truck Hunting Detectors. These detectors help [the railway company] prevent derailments, excessive rail wear and damage to truck components. In addition, they provide alerts of excessive dynamic lateral oscillation at high speed.  1, fiche 1, Anglais, - truck%20hunting%20detector

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 CONT

Détecteurs de mouvements de lacet (DML). Ces détecteurs aident [la compagnie de chemin de fer] à prévenir les déraillements, l'usure excessive des rails et les dommages aux bogies. De plus, ils transmettent un avertissement dans les cas d'oscillation latérale excessive qui apparaissent à vitesses élevées.  1, fiche 1, Français, - d%C3%A9tecteur%20de%20mouvements%20de%20lacet

Fiche 1,  Justifications,  Espagnol

Fiche 2,  Justifications,  Anglais

Record number: 2, Textual support number: 1 CONT

Truck hunting is wheel set oscillation caused by the dynamic response of a railway car truck when operating above certain speeds. The truck oscillates between the rails with hard flange contact occurring at regular intervals of 30 to 50 feet. Truck hunting occurs on tangent track and is more severe where the track is stiff and where CWR [continuous welded rail] is laid. It normally does not begin until around 45 to 50 mph in the case of cars with worn wheels, and 55 to 60 mph for cars with new wheels.  3, fiche 2, Anglais, - truck%20hunting

Fiche 2,  Justifications,  Français

Fiche 2,  Justifications,  Espagnol