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  2. Tire uniformity - Wikipedia

    en.wikipedia.org/wiki/Tire_uniformity

    The standard test speed for tire uniformity machines is 60 r/min of a standard load wheel that approximates 5 miles per hour. High speed uniformity machines are used in research and development environments that reach 250 km/h and higher. High speed uniformity machines have also been introduced for production testing.

  3. Hans B. Pacejka - Wikipedia

    en.wikipedia.org/wiki/Hans_B._Pacejka

    Hans Bastiaan Pacejka (12 September 1934 – 17 September 2017) [1] was an expert in vehicle system dynamics and particularly in tire dynamics, fields in which his works are now standard references. [2] [3] He was Professor emeritus at Delft University of Technology in Delft, Netherlands. [4]

  4. Uniform Tire Quality Grading - Wikipedia

    en.wikipedia.org/wiki/Uniform_Tire_Quality_Grading

    These represent the tire's resistance to the generation of heat at speed. Tires graded A effectively dissipate heat up to a maximum speed that is greater than 115 mph. B rates at a maximum between 100 mph and 115 mph. C rates at a maximum of between 85 mph to 100 mph. Tires that cannot grade up to C or higher cannot be sold in the US. [9]

  5. Tire code - Wikipedia

    en.wikipedia.org/wiki/Tire_code

    Tire identification labels. Automotive tires are described by several alphanumeric tire codes (in North American English) or tyre codes (in Commonwealth English), which are generally molded into the sidewall of the tire. These codes specify the dimensions of the tire and its key limitations, such as load-bearing ability and maximum speed.

  6. Wheel sizing - Wikipedia

    en.wikipedia.org/wiki/Wheel_sizing

    Modern road tires have several measurements associated with their size as specified by tire codes like 225/70R14. The first number in the code (e.g., "225") represents the nominal tire width in millimeters. This is followed by the aspect ratio (e.g.,"70"), which is the height of the sidewall expressed as a percentage of the nominal tire width.

  7. The 7 Best Road Bike Tires For Training and Race Day - AOL

    www.aol.com/7-best-road-bike-tires-191800582.html

    Grand Prix 5000 All-Season TR Tire. If you plan to only buy one set of tires for everyday riding, training, and racing, consider the legendary Grand Prix 5000 All-Season TR.

  8. Formula 4 - Wikipedia

    en.wikipedia.org/wiki/Formula_4

    Formula 4 is the first step out of karting on the FIA Global Pathway, and by design has the least performance of any of the cars in it. Compared to road-legal supercars, Formula 4 cars are less accelerative and have a much lower top speed of approximately 240 km/h; most modern supercars are capable of in excess of 300 km/h. The F4 cars have far ...

  9. 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.