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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 ]
Tire uniformity refers to the dynamic mechanical properties of pneumatic tires as strictly defined by a set of measurement standards and test conditions accepted by global tire and car makers. These standards include the parameters of radial force variation , lateral force variation , conicity, ply steer, radial run-out , lateral run-out , and ...
The 1957 production version of the Cadillac Eldorado Brougham was fitted with whitewalls that were reduced to a 1" wide stripe floating on the tire sidewall with a black area between this stripe and the wheel rim. The whitewall stripe width began to diminish as an attempt to reduce the perceived height of the wheel/tire.
The Kelly-Springfield Tire Company was an American manufacturer of tires for motor vehicles. It was founded in Springfield, Ohio by Edwin Kelly and Arthur Grant in 1894. It was acquired in 1935 by the Goodyear Tire and Rubber Company, who maintained it as a subsidiary until 1999 when it was integrated into Goodyear North America. [1]
Tire balance measurement is a test where the tire is automatically placed on wheel halves, rotated at a high speed and measured for imbalance. Large commercial truck/bus tires, as well as some passenger and light truck tires, are inspected by X-ray or magnetic induction based inspection machines, that can penetrate the rubber to analyze the ...
Some parts of North Texas saw baseball-sized hail on Thursday as severe thunderstorms rolled through the region. The largest hailstones ranged from 1.5 to 3 inches in diameter across Denton and ...
This heat compromises the internal structure of the tire which can lead to a blowout. When a tire is over-inflated, it wears the tread down faster, and becomes more prone to catching nails or screws in the tire. The best way to check tire maintenance is to check the air pressure, because that will lead you to whatever problem your tire might have.
This style of tool has a pointed foot that sits on the sidewall and enters the space between the tire bead and lip of the rim, and a padded clamp that screws into position. The ram foot is then actuated by another screw, breaking the bead loose. Because the tool is clamped in place, it cannot slide down the sidewall and damage the tire.