Development of a System to Display and Record Slack Action in Freight Trains

Vrabel, J. D.; Sussman, E. Donald; Ofsevit, D.; John A. Volpe National Transportation Systems Center, (U.S.)

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Development of a System to Display and Record Slack Action in Freight Trains

1977-08-01
By Vrabel, J. D. ; Sussman, E. Donald ; Ofsevit, D.

[PDF-3.75 MB]

English

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Details:

Creators:

Vrabel, J. D. ; Sussman, E. Donald ; Ofsevit, D.

Vrabel, J. D. ; Sussman, E. Donald ; Ofsevit, D. Less -
Corporate Creators:

John A. Volpe National Transportation Systems Center, (U.S.)
Corporate Contributors:

United States. Federal Railroad Administration. Office of Research and Development
Subject/TRT Terms:

[+]

Accident Investigation Data Collection Detectors Freight Trains Information Display Systems Instrumentation Locomotive Engineers Locomotive Operation Monitoring Motion Railroad Cars Sensors Tension Training Train Operations
Publication/ Report Number:

DOT-TSC-FRA-77-2 ; FRA/ORD-77/53

DOT-TSC-FRA-77-2 ; FRA/ORD-77/53 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Railroad Administration
NTL Classification:

NTL-RAIL TRANSPORTATION-Rail Safety;NTL-RAIL TRANSPORTATION-Rail Planning and Policy;NTL-RAIL TRANSPORTATION-RAIL TRANSPORTATION;NTL-SAFETY AND SECURITY-SAFETY AND SECURITY;NTL-SAFETY AND SECURITY-Rail Safety;NTL-SAFETY AND SECURITY-Human Factors;NTL-SAFETY AND SECURITY-Accidents;
Abstract:

This report summarizes the development of a system which senses, displays and records the slack action or inter-car movement in freight trains. The system, called the Draft-Buff Indicator (DBI), was developed to serve as a train-handling aid. It provides the user (railroad training officer, accident investigator or locomotive engineer) with a real-time display of the draft-buff distribution within a moving train and also provides a record of the information for later analysis. The report discusses the development of the sensors, transmitters, receivers and display which make up the system, as well as alternative versions of the system which were considered and rejected for various reasons. The report also discusses the various applications of the system in revenue service and in accident analysis up to the time of publication.
Format:

PDF
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:a684e7718178640884ee85c79b2c685045cf0d3a20d39994cbbfaef5b864c072
Download URL:

https://rosap.ntl.bts.gov/view/dot/10770/dot_10770_DS1.pdf
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Development of a System to Display and Record Slack Action in Freight Trains

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