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2. Low rolling resistance tire - Wikipedia

   en.wikipedia.org/wiki/Low_rolling_resistance_tire

   So a Michelin Harmony tire rated at 9.45 RRF at 1000 pounds load would be .0095 RRC. [ 4 ] [ 5 ] In the early 2010s in Canada , Transport Canada tests were planned on a number of different tires mounted on 15 and 16-inch rims – the most common tire sizes in Canada at that time – to determine how rolling resistance is influenced by vehicle ...

3. Uniform Tire Quality Grading - Wikipedia

   en.wikipedia.org/wiki/Uniform_Tire_Quality_Grading

   The NHTSA has the right to inspect tire manufacturers' data, and can fine them if inconsistencies are found. The NHTSA published DOT HS 812 325 “Consumer Guide to Uniform Tire Quality Grading” August 2016, which provides rating information. [4] Dedicated winter tires, also known as snow tires, are not required to have a UTQG rating. [5]

4. Tire code - Wikipedia

   en.wikipedia.org/wiki/Tire_code

   XL: extra load; a tire that allows a higher inflation pressure than a standard load tire, which increases the tire's maximum load; ZP: zero-pressure; Michelin's branding for their run-flat models. To facilitate proper balancing, most tire manufacturers also mark red circles (uniformity) and/or yellow dots (weight) on the sidewalls of their ...

5. Tire uniformity - Wikipedia

   en.wikipedia.org/wiki/Tire_uniformity

   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 ...

6. Tire load sensitivity - Wikipedia

   en.wikipedia.org/wiki/Tire_load_sensitivity

   Tire load sensitivity describes the behaviour of tires under load. Conventional pneumatic tires do not behave as classical friction theory would suggest. The load sensitivity of most real tires in their typical operating range is such that the coefficient of friction decreases as the vertical load, Fz, increases. The maximum lateral force that ...

7. Michelin Guide - Wikipedia

   en.wikipedia.org/wiki/Michelin_Guide

   The first Michelin Guide, published in 1900 The 1911 Michelin Guide for the British Isles. In 1900, there were fewer than 3,000 cars on the roads of France. To increase the demand for cars, and accordingly car tyres, the car tyre manufacturers and brothers, Édouard and André Michelin published a guide for French motorists, the Guide Michelin (Michelin Guide). [2]