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Technical Reports

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Advanced Group Rapid Transit Guideway Communication Unit Design Summary

The purpose of the Advanced Group Rapid Transit (AGRT) program was to develop an advanced automated guideway transit system capable of providing high passenger volumes, short waiting times, and high levels of passenger service. The transportation system developed consists of small, automated...

Truck Design Optimization Project (TDOP): Wear Data Collection Program

The Wear Data Collection Program was a field testing study associated with the Truck Design Optimization Project in which test trucks in unit coal train service were monitored for wear in an effort to develop comparative wear performance data. Seven truck types (one car set of each type) including...

Physical Response of Flat Steel Plates to Drop Hammer Impacts

A series of impact tests using the FRA/BRL Drop Hammer Facility was performed. The tests consisted of the creation of controlled damage to flat steel plates which had properties exceeding the minimum ASTM standards required for steel used in the construction of tank cars {ASTM A-SISt Grade 7D steel...

Perturbed Track Test: Results of Data Analysis

The Perturbed Track Test (PTT) involving the E-8 and SDP-40F locomotives was conducted at the Transportation Test Center (TTC) during November and December, 1978. Two of the primary objectives of the PTT were: to gain further understanding of track/vehicle interaction; and to demonstrate and...

Optimum Power Conditioning and Motor Combination for Locomotive Traction

This is the interim report describing the results of the research on Phase I, the first year, of this contract. The object of the research is to study alternate power conditioning-motor combinations for single axle locomotive traction drives applicable to both freight and passenger use. Candidate...

Northeast Corridor Speed Profile Simulator

A microprocessor device to display speed profile information to a locomotive engineer is described. This system was deployed at the Transportation Test Center to provide speed profile information to simulate Northeast Corridor operations.

In-Service WheelFax Concept Evaluation

Work performed on this task include the evaluation of the WheelFax concept; problems, difficulties and modifications made by purchasers of WheelFax systems; effectiveness of this detection concept with respect to the wheel inspection process defined in the Field Manual of the AAR Interchange Rules...