Development of Wide - Rim Tires for Passenger Cars 410097

RESULTS of tests conducted on wide-rim tires announced in this paper show that:
  1. 1.
    There is an average improvement of 20% in non-skid tread mileage, the increase ranging from 5% for easy driving conditions to 80% for tests at maximum speed under hard driving conditions.
  2. 2.
    Stability and cornering power increase with rim width - approximately in the same proportion.
  3. 3.
    The effect of increased stability is very evident in improved cross-wind handling, especially at high speed.
  4. 4.
    From 2 to 4 lb per sq in. reduction in tire pressure was found necessary with wide-rim tires to produce equivalent ride, equal harshness, thump, and so on.


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