Center Truck Performance on Low-Floor Light Rail Vehicles (2006) / Chapter Skim
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The typical design for a 70-percent low-floor vehicle on a U.S. light rail transit system comprises a three-section articulated vehicle body with the center section mounted on a truck with non-powered, independently rotating wheels.
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1.4 Potential Issues The performance issues identified in the research project statement issued by TCRP (1) that have been considered specifically within this study are • Derailments, especially those of the center trucks; • Asymmetric wheel flange wear and grooving of treads; • Excessive rail wear; • Reduced ride quality, including hunting and excessive curving; and • Noise and vibration.
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Chapter 6 summarizes the conclusions of the research. Appendixes provide more detail on the research carried out, a glossary of the terms used, vehicle data and track data for the systems studied in most detail and a comparison of track maintenance standards between the United States and Germany, and a bibliography.
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be expressed in the metric system when referred to by some U.S. transit systems.
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