A slick racing (also known as "slick tires") is a type of tire that has a smooth footprint that is used mostly in auto racing. The first production of "slick tires" was developed by M & H Ban in the early 1950s for use in drag racing. By removing any indentations that enter the tread, the tire provides most likely contact fillings to the road, and maximizes traction for each given tire dimension. Slick tires are used in road or oval tracks, where steering and braking require maximum traction from each wheel, but are usually used only on the wheel driven in drag races, where the only concern is the maximum traction to place power to the ground.
Slippery tires are not suitable for use on public transport, which should be able to operate in all weather conditions. They are used in auto racing where competitors can choose different tires based on weather conditions and can often change tires during the race. Slick tires give much more traction than the grooved tires on dry roads, because of their larger contact areas but usually have much less grip than the grooved tires in wet conditions. Wet roads greatly reduce traction due to aquaplaning because water is trapped between the tire contact area and the road surface. Fluted tires are designed to remove water from the contact area through the groove, thus retaining traction even in wet conditions.
Since there is no tread pattern, the slippery tire footprint does not damage much of the load. The reduced deformation allows the tire to be constructed from soft compounds without overheating and blistering. Today's modern slick tires have developed special performance qualities in certain temperature windows, being "sticky" when collecting enough heat, and thus providing far greater adhesion to the road surface, but also having lower treadwear ratings; yes. it is exhausted faster than the hard rubber tires used for driving on the streets. It is not uncommon for drivers in some sports cars to wear multiple sets of tires during one day's driving.
In Formula One, slick tires are banned from the 1998 to 2008 season. Dry weather tires with mandatory grooves are intended to reduce total grip and reduce cornering speed in use, but are still commonly referred to as "slick" because the grooves are not intended to disperse water and can not be used effectively in wet conditions. The slick tire was reintroduced from the 2009 season.
Video Racing slick
Drag race race
The first slick racing slick was developed by a company called M & amp; H Tyres (Marvin & Harry Tyres) in the early 1950s. It is the only company in the world that produces and sells original drag racing tires.
Drag racing slicks vary in size, from slicks used on motorcycles to very wide ones used on Top Fuel dragsters. For "closed wheel" cars, often the car must be modified just to take into account the slick size, lifting the body in the rear springs for a narrower slick height, and/or replacing the rear wheel house with a very wide "tub". "and narrows the rear axle to allow room for wider tire varieties.Open wheel dragsters are freed from such constraints, and can go to a very large tire size (as opposed to a very small tripodal).Some use very low pressure to maximize the contact area of ​​the site, resulting in a typical sidewall appearance that leads to the "wrinklewall" slick they call.Inter tube is commonly used, to ensure that air does not suddenly leak in unison as the tires are deformed under the launch pressure.
"Wrinklewall" tape is now specially designed for the special requirements of drag racing, which is being built in such a way as to allow the sidewall to be twisted by the torque applied at launch, softening the initial start and thereby reducing the likelihood of traction disconnection. When speed is formed, the centrifugal force generated by the tyre rotation "unscrew" the side wall, restoring energy to the acceleration of the car. In addition, it causes tires to expand radials, increase their diameter and effectively create higher gear ratios, allowing higher top speeds with the same transmission gearing.
Cheater slick
Because the really slick tires were banned on most roads because of their inability to handle the wet pavement, the "slippery swindler" became a popular item in the hot rod world of the 1960s; a typical slick tire type, but carved with a minimal amount of tread groove that is absolutely necessary to meet legal requirements. However, since then, tire developments have grown tremendously, so the hot rod trunks today typically use wide-groove tires that perform better than the past winding; while slater cheats are available today, both for street nostalgic street appearances and for the use of classroom competitions where DOT-approved road tires are required, have followed their own development path, deviating from the correct slick tire construction to be a distinct tire design in the self themselves..
Maps Racing slick
Compound tire r (grooved groove)
The development of slater fraudulent technology has influenced the development of tires for racing series apart from drag racing as well. When other forms of auto racing also form a class that requires DOT-approved road tires, some manufacturers also start to market tires that superficially resemble high-performance street tires, but with the smallest allowed tread pattern and with very soft and sticky rubber, which is intended exclusively for competition because the soft footprint will be too fast to use for roads. It becomes known, loosely, as a R tire compound . With the addition of years of progress, this tire class in turn follows its own development path, to the point where they have little in common with the true road tires of the same brand. This leads to new classes of racing that require not only DOT approval, but also the minimum value of treadwear, in an attempt to remove R compound tires from competition and require "correct" road tires.
Bicycle tire
Conversely, many bicycle tires are made for use on slippery streets. Aquaplaning does not present a problem for the bicycle because of its narrower width, higher pressure, lower speed, and circular cross section (due to the need to lean the bike in turn); bicycle tires can penetrate the water layer to contact the road much more easily. In practice, the grooved bicycle tires do not outperform the slick tires on the wet road. However, many low and medium performance bike tires have substantial depth of footprint, since the bike is designed with off-road visits in mind: on the ground, gravel or sand, the tread pattern provides significantly increased traction. In addition, high-performance bike tires, although designed for road use alone, often have very fine tread patterns, which do not seem to make a difference in performance over slick tires and are only there for marketing purposes and as a tire-wear indicator. This is evident not only from the direct test of the tire, but also from the fact that the texture of the road itself is more rough than the minimal tread pattern on this tire. Some grooless designs have small "holes" or dimples embedded in the tread as a tire indicator. This is similar to a car-induced tire indicator bar, which contacts the road when the tire is worn to a low number of treads, making noisy tires on the road.
References
External links
- Technology Racing; Slick street-legal
- Ban R-compound "street"
- Tires and Bicycle Tubes
Source of the article : Wikipedia
0 Comments