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Starting in 1972 tires were specified by load rating, using a letter code. In practice, a higher load rating tire was also a wider tire. In this system a tire had a letter, optionally followed by "R" for radial tires, followed by the aspect ratio, a dash and the diameter – C78-15 or CR78-15 for bias and radial, respectively. Each diameter of ...
UTQG ratings on sidewall of Toyo Tires Proxes R39 tire UTQG ratings (top) and tire code (bottom) on sidewall of Continental ContiProContact tire. 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.
Rolling resistance is the main key factor in measuring the energy efficiency of a tyre and has direct influence on the fuel consumption of a vehicle. A set of tyres of the green class "A" compared to a "G" class can reduce fuel consumption by 9% [3] of a passenger car; even more for trucks.
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.
Douglas is the trademark for a line of tires owned by the Goodyear Tire and Rubber Company, which manufactures the line and sells them exclusively through Walmart. Goodyear registered the name in 1992 [ 1 ] through its subsidiary Kelly Springfield Tire Company .
All of the WSM cartridges are inspired on the .404 Jeffery non-belted magnum cartridge which is shortened to fit a short rifle action (such as a .308 Winchester). [1] It was developed by Rick Jamison in 1997-1998 as proven in a 2005 lawsuit Jamison vs. Olin Corporation-Winchester division. [2] Jamison was given 7 patents on the cartridge design.
For these reasons the factory 250 gr (16 g) bullet loses about 90 ft/s (27 m/s) to the .358 Winchester while the 200 gr (13 g) factory load is only 30 ft/s (9.1 m/s) slower. The Marlin Model 336ER was offered in .356 Winchester for several years, but was discontinued in 1987. The same year, Winchester ceased production of their Model 94s ...
The .405 Winchester / 10.45x65mmR (.405 WCF) is a rimmed centerfire rifle cartridge introduced in 1904 for the Winchester 1895 lever-action rifle. [4] It remains to this day one of the most powerful rimmed cartridges designed specifically for lever-action rifles; the only modern lever action cartridges that exceed its performance are the .50 Alaskan, .450 Alaskan, .475 Turnbull, .348 Turnbull ...