engine development work is possible with the engine installed in a vehicle but is typically more convenient and accurate with the engine installed on a test system. Such a test system, when capable of loading the engine as if it were being run installed in a driving vehicle, is called an engine dynamometer.
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FI: moottoridynamometri [T50332]
DE: dynamometrisches Meßgerät [T50332]
FR: banc dynamométrique pour moteur [T50332]
The following equipment shall be used for emission tests of engines on engine dynamometers: an engine dynamometer with adequate characteristics to perform the test cycle ...
