This SAE Recommended Practice establishes a procedure for determination of vehicle road load force for speeds between 115 and 15 km/h (71.5 and 9.3 mi/h). It employs the coastdown method and applies to vehicles designed for on-road operation. The final result is a model of road load force (as a function of speed) during operation on a dry, level road under reference conditions of 20 °C (68 °F), 98.21 kPa (29.00 in-Hg), no wind, no precipitation, and the transmission in neutral. This revision updates units and introduces minor procedural refinements and formatting.


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    Title :

    Road Load Measurement Using Onboard Anemometry and Coastdown Techniques


    Publication date :

    2008-12-12



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English