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Uniform Tire Quality Grading, commonly abbreviated as UTQG, is a set of standards for passenger car tires that measures a tire's treadwear, temperature resistance and traction. The UTQG was created by the National Highway Traffic Safety Administration in 1978, a branch of the United States Department of Transportation (DOT). [ 1 ]
These two codes allow one to look up the required cold inflation pressure to carry a given load, according to the load inflation charts or tables. The load tables are too large to include in this article, but may be found at tirepressure.org. [ 9 ] Generally, tire codes with a preceding "P" shall reference the P Metric Tire Load Inflation Chart ...
EU Tyre Label. The Tyre Label is a mark for motor vehicle tyres.Manufacturers of tyres for cars, light and heavy trucks must specify fuel consumption, wet grip and noise classification of every tyre sold in EU market starting in November 2012.
Traction boards (also called recovery boards) are one of the best ways to free your car when it's stuck in snow, mud, sand, or any other slippery situation. Don't Go Off-Roading Without A Set Of ...
The proportion of rubber to air space on the road surface directly affects its traction. Design of tire tread has an effect upon noise generated, especially at freeway speeds. [ 1 ] Generally there is a tradeoff of tread friction capability; deeper patterns often enhance safety, but simpler designs are less costly to produce and actually may ...
Automobile tires Studded winter tire Formula One racing slicks Large tires Airless tires Aircraft tire Motorcycle tire Mountain bike tires Spiked tire Tractor tire. The following outline is provided as an overview of and topical guide to tires:
Traction can also refer to the maximum tractive force between a body and a surface, as limited by available friction; when this is the case, traction is often expressed as the ratio of the maximum tractive force to the normal force and is termed the coefficient of traction (similar to coefficient of friction).
Steeper grades cannot be negotiated safely, because the wheels could slip due to the low adhesion under adverse conditions, which may lead to a stopped train becoming stuck on a grade. This is one of the reasons the ICE 1 is not homologated for the Cologne-Frankfurt high-speed rail line, which has grades of up to 4%.