A TEST RIG FOR DYNAMIC EVALUATION OF OFF - ROAD TIRES CHARACTERISTICS

Document Type : Original Article

Authors

1 Ph.D, Higher Technological Institute (H. T. I); Sixth of October City.

2 Ph.D, Automotive Engineering Department, Military Technical College (MTC).

3 Eng., Automotive Engineering Department, Military Technical College (MTC).

Abstract

In order to evaluate the tire - vehicle - terrain system, the tire- road characteristics should be determined carefully. This needs theoretical model and / or practical testing under controlled environment which can be fulfilled using a soil bin. Before this work, such facility did not exist in Egypt. Accordingly; the objective of this work was set to design, produce, and assemble a test rig for dynamic evaluation of off-road tire characteristics (soil bin). The constructed soil bin mainly consists of a single driven tire traction tester, towing resistance, measuring equipment , and testing track containing the tested soil. The measured data ( the input driving torque, the net traction, the sinkage, and the tire revolutions) can be recorded on a digital data acquisition system and processed using a computer.

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