1951-01-01

TRUCK ROAD PERFORMANCE-ACTUAL VS. COMPUTED 510172

THIS paper demonstrates the accuracy that can be expected from the method of computing truck road performance developed by Stamm and Lamb.
The author shows here that:
  1. 1.
    The method is sound.
  2. 2.
    The use of the basic factors now available for the resistances to motion can be expected to result in an average difference between the computed and the actual performance of 5-10% of the computed performance.
  3. 3.
    The actual performance is always greater than the computed for operation on the level and is generally less than the computed for grades of 3% and steeper.

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