Tests of the Amtrak SDP-40F Train Consist Conducted on Chessie System Track

Tong, Ping; Brantman, Russel; Greif, Robert; Mirabella, J.; John A. Volpe National Transportation Systems Center (U.S.)

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Tests of the Amtrak SDP-40F Train Consist Conducted on Chessie System Track

1979-05-01
By Tong, Ping ; Brantman, Russel ; Greif, Robert ; ...

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Creators:

Tong, Ping ; Brantman, Russel ; Greif, Robert ; Mirabella, J.

Tong, Ping ; Brantman, Russel ; Greif, Robert ; Mirabella, J. Less -
Corporate Creators:

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

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

[+]

Amtrak Chessie System Crash Investigation Curves (Geometry) Derailments Dynamic Tests L/V Ratio Lateral Loads Locomotives Performance Tests Railroad Tracks Railroad Trains Regression Analysis Safety Engineering Sanding Train Track Dynamics
Publication/ Report Number:

DOT-TSC-FRA-79-14 ; FRA/ORD-79/19

DOT-TSC-FRA-79-14 ; FRA/ORD-79/19 Less -
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Railroad Administration. Office of Research and Development
Abstract:

This report describes tests of an SDP-40F train consist conducted on Chessie System track during June 1977. The tests consisted of the operation of two typical AMTRAK passenger consists, one powered by two SDP-40F's and the other by two E-8's, over a variety of track conditions. The objectives of the tests were to compare dynamic performance of the SDP-40F locomotive with the E-8, and to determine the sensitivity of the SDP-40F response to track geometry variations, operational parameters and truck configuration changes. Data was obtained on the lateral and vertical wheel/rail loads and carbody accelerations under a variety of speeds, track geometry and track surface conditions. Modifications of the SDP-40F trucks were also made and tested. Each locomotive was tested in a consist representative of passenger service over a variety of operational track conditions. In general, the SDP-40F lateral wheel/rail loads in selected curves showed a tendency to increase above curve balance speed at a faster rate than that of the E-8. A means was developed for accurately predicting lead axle lateral force levels in 2 degree curves as a function of speed and track geometry variations. A new strain gage configuration was developed which will greatly improve the accuracy of lateral rail loads measurements.
Format:

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Collection(s):

Volpe Center
Main Document Checksum:

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urn:sha256:8ede2e1a450fd594993f1f997deb86d04704a26dca434475fe11588cd71a56ca
Download URL:

https://rosap.ntl.bts.gov/view/dot/10115/dot_10115_DS1.pdf
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Tests of the Amtrak SDP-40F Train Consist Conducted on Chessie System Track

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