Technology RunFlat: what is it? Tires with RunFlat technology: marking, specifications, reviews

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2018-04-10 17:00:34

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Must be every car owner at least once collapsed all the plans from-for punched in the path of the bus. Lost time for the installation of a spare tire or call a tow truck to return, but such a situation can be prevented in the future. With this purpose, experienced drivers use tires that have implemented the technology RunFlat. What is it, and what are her benefits, now we will try to understand.

Need to be harder

RunFlat – is a patented technology which is based on the principle of strengthening the lateral sides of the tires. When a standard tyre in the formation of puncture deflates quickly, the drive under the weight of the car "chews" it for a few kilometers. Reinforced side new tires hold the weight of the car, allowing you normally to get to the nearest service station.

technology Runflat what is itSpecial hard cord does not give “settle” machine, which can move in normal mode. But limitations are present. First, the maximum allowable speed "cords" is just 80 km/h. second, long travel on a punctured tire impossible – are allowed to drive only 100 km, but that's a lot, considering that all the safety systems - ABS, ESP, DSC and others – remain active.

There are modernized technology Runflat. What is it and what are their differences? The difference between the two is one – in addition to the powerful cord around the rim are mounted with polyurethane inserts-semi-rings, which increase the rigidity of the structure.

History

The First car, which was used in the base safe the tires was the Mini 1275GT was released in 1974. Technology historic tires differed from the modern – it required special wheels with ultra low profile. The ancestor is considered Denovo, who called his system Dunlop.

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In mass production neculaesei bus arrived in the late 80-ies of the 20th century. The development of the idea of safe tires pushed persons with disabilities. They more than others need to be able to drive to the station with a broken wheel, because to leave the car for repair but could not.

Nokian tyresLater, in 1987, the standard Porsche 959 came RunFlat technology. What it is, then, no one knew, so the machines became very popular, and the system has received a new round of development.

Not so smooth

The Advantage of using technology RunFlat obviously – improving the safety when driving and the ability to overcome any route, regardless of road conditions. The downside of such tyres more. First, is the price. The cost nattuvanar tire 15-25% above standard options. It is for this reason they more equipped with the premium cars.

car tires RunflatSecondly, it is the deterioration of controllability. Due to the more rigid frame, the traction wheels with the road becomes smaller, which slows down the steering response and increases the load on the driver – the steering wheel is on the left literally knock out of his hands. RunFlat technology has disadvantages in terms of comfort – don't be surprised if the car will jump on every crack.

What to do?

Because Of these drawbacks could incorporate this tyre is only for vehicles with heavy duty suspension which is adapted to the domestic road conditions. In combination with or independent pneumatic suspension passengers will feel comfortable enough.

Nattuvanar rubber is extremely non-repairable, and to cope with its installation or replacement for standard option only the prepared tire center. Moreover, not every service center will repair tyres that have implemented the technology RunFlat - what it is, some artists just don't know! For this reason, and design features in the event of a puncture will have to change the tire – to patch a hole almost impossible.

So if you are a wealthy owner of a vehicle with adaptive suspension system, such tires with RunFlat technology may be for you a real salvation from Russian roads.

nokian rft

Necessary conditions

Despite all the restrictions, high cost to install tires on a rope can be hard on any car, regardless of drive type. But, as the owner of cars of the middle class, “shoes” in a similar rubber not recommended even manufacturer – requires special sensors:

  1. TPMS, RDC, RPA and other indicators, in continuous time, informing the driver about the level of pressure in the wheels.
  2. ESP – a dynamic stabilization system or the vehicle stability.

To Install a car RunFlat tyres without the presence of such structures in the vehicle is extremely risky. In the event of a puncture you will not notice any changes and continue driving at high speed, resulting in drifts, reducing the effectiveness of brakes, and will eventually lead to a crash.

Notable

Since the advent of technology nesuschyh tire it began to use all the world's produce tires for cars and even trucks: Michelin,Continental, Pirelli, Kumho, Toyo – these are just some of those who decided to make life easier for motorists.

rubber technology runflatDespite identical technology, the tires manufacturer turns out different. The main differences between the models are as follows:

  • The presence or absence of the possibility of eliminating the holes;
  • Use heat resistant silicone rubber as a source of raw materials;
  • The introduction of the polyurethane inserts of the half-rings around the rim;
  • The distance that can be overcome after a puncture.

Regardless of whether you are using the tires "Nokian", Michelin, Continental and other manufacturers, especially important advice remains the same – do not put the patch on the model with a speed rating V/W/Y. in addition, in case of damage to the sidewall or shoulder repair is not possible under any circumstances.

Confusion over labelling

Despite the fact that all producers use the same technology, all label it differently. It is believed that this is a publicity stunt companies. But it does not facilitate life to motorists, who are forced to deal with the peculiarities of the tires.

Imagine, is the most popular and common symbols of tyre technology RunFlat:

  • RSC-RunFlat System Component – consistent marking of all models for BMW, Mini or Rolls-Royce.
  • MOE – so-called tyre, designed for representatives of German concern Mercedes-Benz.
  • AOE – rubber that is used in Audi cars.

There are other options, according to which put marks on the tires with RunFlat technology. Marking is mostly varies depending on tire manufacturer. Deal with it, too easy.

Labeling from manufacturers

Almost every manufacturer not only manufactures tires with their own designation neculaesei technology, but also manufactures various options of tires that are used in a variety of conditions. The greatest confusion was created by the Michelin company, which use markings:

  • ZP (Zéro Pression) – rubber with the abbreviation you can move at speeds up to 80 km/h for 80 km;
  • ZP SR – the speed with these tires is reduced to 32 km/h, but you can overcome it;
  • PAX – this technology requires special drives inside which has a supporting rim (used in armored vehicles).

Other manufacturers are limited to a more modest number of nattuvanar tires. The most common abbreviation used by the companies Bridgestone, Nokian – RFT (Run Flat Tyres).

 tyres with Runflat technology marking Almost the same marks Toyo – TRF. Kumho introduced the symbolic meaning of XRP, and Continental-SSR. Loyal to all to drivers is the firm Pirelli. They did not again "reinvent the wheel” and brand tire is very simple – RunFlat.

To Summarize

If you are Going to use technology nattuvanar tire in your car, you protect yourself from road accidents, will be able to reach the intended item. But along with this will be greatly reduced level of comfort, drivability, and increase the cost of machine maintenance.

technology runflat consAmong the most popular models highlighted tyres "Nokian". They have a reasonable price, they can be patched, if the time to notice the holes and did not drive on a deflated tire. But if your car belongs to the business or premium class, you should look to other models nattuvanar tires.


Article in other languages:

AR: https://tostpost.com/ar/cars/9335-technology-runflat-what-is-it-tires-with-runflat-technology-marking-sp.html

BE: https://tostpost.com/be/a-tamab-l/16724-tehnalog-ya-runflat-shto-geta-takoe-a-tamab-l-nyya-shyny-z-tehnalog-ya.html

DE: https://tostpost.com/de/autos/16733-technologie-runflat-was-ist-das-autoreifen-mit-runflat-technologie-ken.html

ES: https://tostpost.com/es/coches/16742-la-tecnolog-a-runflat-qu-es-neum-ticos-con-tecnolog-a-runflat-identifi.html

HI: https://tostpost.com/hi/cars/9339-runflat-runflat.html

JA: https://tostpost.com/ja/cars/9339-runflat-runflat.html

KK: https://tostpost.com/kk/avtomobil-der/16725-tehnologiyasy-runflat-b-l-ne-avtomobil-shinalary-tehnologiyasymen-runf.html

PL: https://tostpost.com/pl/samochody/16707-technologia-runflat-co-to-jest-opony-samochodowe-z-technologii-runflat.html

PT: https://tostpost.com/pt/carros/16706-a-tecnologia-runflat-o-que-pneus-com-a-tecnologia-runflat-identifica-o.html

TR: https://tostpost.com/tr/arabalar/16732-teknoloji-runflat-bu-nedir-otomotiv-lastik-runflat-teknolojisi-etiketl.html

UK: https://tostpost.com/uk/avtomob-l/16718-tehnolog-ya-runflat-scho-ce-take-avtomob-l-n-shini-z-tehnolog-yu-runfl.html

ZH: https://tostpost.com/zh/cars/10177-technology-runflat-what-is-it-tires-with-runflat-technology-marking-sp.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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