FIELD: instrumentation engineering. SUBSTANCE: total tractive resistance factor is deduced from the amount of power expended by the engine (fuel consumption) to overcome the total force opposing to the motion of a vehicle, which is composed of forces of opposition offered to the rolling, grades, inertia, vibrations of a sprung mass, air and a trailer as well as power losses in the drive mechanism, depending on the speed of the vehicle. EFFECT: more reliable test results. 2 cl, 1 tbl
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Authors
Dates
1994-04-30—Published
1990-02-05—Filed