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Encyclopedia > Dynamometer car
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The Southern Pacific Railroad's dynamometer car #137, July 1937.

A dynamometer car is a railroad maintenance of way car used for measuring various aspects of a locomotive's performance. Measurements include tractive effort, horsepower, top speed, etc. Although now advanced calculations make the dynamometer join the ranks of obsolete equipment such as cabooses and steam locomotives, it was certainly a valuable asset when it was used.


External links

  • Rail Training & Test Cars (http://www.northeast.railfan.net/equipment2.html) photos of some prototype cars.
  • Carriages of LNWR: 6-wheeled Dynamometer Car (http://www.lnwrs.org.uk/Carriages/Lnwrs807.php)
  • Esoteric Test Equipment (http://www.geocities.com/budb3/arts/tsteqa.html)
  • National Model Railroad Association, Kitbash Korner: ML&S Dynamometer Car (http://www.nmra.org/bash_dymo.html) building a model of a dynamometer car.

  Results from FactBites:
 
Dynamometer - Wikipedia, the free encyclopedia (297 words)
A dynamometer or "dyno" for short is a device used to measure power and torque produced by an engine.
The dynamometer is connected to a computer which uses math to calculate the output of the engine.
An engine dynamometer measures power and torque directly from the engine's crankshaft (or flywheel), when the engine is removed from the vehicle.
  More results at FactBites »


 

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