Self-Supporting Tires Winfield KS

Local resource for self-supporting tires in Winfield, KS. Includes detailed information on local businesses that give access to self-supporting tires which resist deflation and sometimes have pressure-monitoring technology, as well as advice and content on run-flat tires, self-supporting run-flat tires, pneumatic vehicle tires, puncture-resistant tires, and self-sealing tires.

Kline Motors, Inc.
(620) 221-2040
1721 Main St
Winfield, KS
 
Wal-Mart Supercenter 0369
(620) 221-4342
2202 Pike Rd
Winfield, KS
 
Rakies Oil Company
(620) 442-2210
302 N Summit
Arkansas City, KS
Services
Government Sales Deliveries,Participates In Goodyear National Promotions,Services National Account Customers

Wal-Mart Supercenter 0978
(620) 741-0955
2701 North Summit
Arkansas City, KS
 
Wal-Mart
(620) 442-2063
2701 N Summit St
Arkansas City, KS
Hours
Monday - Friday: 7:00AM-7:00PM, Saturday: 7:00AM-7:00PM, Sunday: 9:00AM-6:00PM,

Wal-Mart
(620) 221-6233
2202 Pike Rd
Winfield, KS
Hours
Monday - Friday: 7:00AM-7:00PM, Saturday: 7:00AM-7:00PM, Sunday: 9:00AM-6:00PM,

Speedy Tire & Gas
(316) 221-1130
702 Main Street
Winfield, KS
 
Wal-Mart
(620) 442-4566
2715 N Summit St
Arkansas City, KS
Services
Car Washes, Car Detailing, Tire Shops

Ark City Tire & Automotive
(620) 442-8473
201 South A St
Arkansas City, KS
 
Affordable Tire & Auto Svc
(620) 741-0700
615 N Summit St
Arkansas City, KS

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Pluses and Minuses of Self-Supporting, Self-Sealing and Auxiliary-Supported Run Flat Tires

Bill Siuru, PhD, PE   

On the left, auxiliary supported run flat tire. On the right, a self-supporting tire Run Flat Tires - enlarge

I just bought a BMW Z4 that comes with run flat tires as standard equipment. There is no spare, not even one of those tiny, compact spares that are used in most cars today. By eliminating the spare, it provides more trunk space especially in sports cars. BMW uses run flat tires on many of its models and they are found on Corvettes, Hondas, Toyotas, Minis and Acuras. The space not needed for a spare can be used for other purposes, such as being able to modify a front-wheel-drive minivan into all-wheel drive one.

There are three basic types of run flat tires - self-supporting, self-sealing and auxiliary-supported. Self-supporting run flat tires are the most widely used. Only about 3-percent of vehicles sold in North America are now fitted with run flat tires, and this expected to grow to only 4-percent by 2011.

The self-supporting design uses stiffer sideswalls so the tire can temporarily carry the weight of the vehicle, even if all pressure is lost. Typically, the side-walls are made of layers of rubber and a heat-resistant cord that prevent the side-walls from folding or creasing. They also have specialized beads around the edge of the tire so they more firmly grip the wheels so they don't come off the rims, even in the event of complete air loss.

Vehicles equipped with this type of run flat tires come with a tire pressure monitoring system (TPMS) to alert the driver if the tire loses pressure or completely fails. A TPMS is necessary, otherwise the driver probably wouldn't detect the change in the vehicle handling characteristics because of pressure loss and drive with under inflated tires damaging these more expensive tires, or lead to a dangerous driving situation. Typical run flat tires let you drive about 50 miles at speeds below 55 mph.

Self-sealing tires have an extra lining coated with a puncture sealant that self-seals the tires should they pick up a nail or screw. They are either permanently self-repairing or at least lose air very slowly. First they provide a seal around the object when the tire is punctured; then, fill the hole when it is removed. Because these tires seal the tire immediately, drivers may not even know there was a puncture. Since these tires are like standard tires, the loss-of-air symptoms of a flat tire still gives warning that a tire is severely damaged. Therefore, self-sealing tires do not require a TPMS.

Auxiliary-supported systems use unique wheels and tires so when the tire loses pressure, the flat tire's tread rests on a support ring attached to the wheel. This means the wheel does most of job of providing the run flat ability, minimizing the tire's role. Unlike the tires that wear out and must be replaced, wheels do not wear out. Also unlike the stiffer sidewalls with self-supporting designs that result in a harsher ride, auxiliary s...

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