Kumho presents the Fortis SUV Concept

Article by Christian A., on August 29, 2010

To survive the upcoming greener vehicle legislation, tire manufacturer Kumho is planning improvements on the SUVs that will be implemented in the near future. Rob Dolton is spearheading Kumho's project named Fortis. The SUV will have an aggressive stance combined with the fresh touch inspired by Korean glass sculptures.

The body panels (bumper sections, doors, bonnet, front wings and rear hatch) are manufactured from recycled tire rubber.

The drivetrain can carry up to four 100hp motors - one powering each wheel when the vehicle is in 4WD mode. This system provides ultimate off-road traction, ESP and hill descent. The motor configuration allows easy transition between 4WD, 2WD, FWD and RWD.

Power will come from a Lithium-ion battery pack -- an alternative propulsion -- the viability of which will depend on technology advances. Kumho says that the only way to provide optimum performance both on and off-road is to change the tires for each requirement.

The new technology practically allows that by having a tread pattern that can be freely adjusted. The new tire technology features metal biters when the Fortis is driven like an off-road SUV.

For on-road use, the tire cavity is inflated. This expands the rubber areas of the tire to cover the metal biters, offering high levels of comfort, noise performance and road-biased dynamic ability.

Press Release

'Fortis' - Kumho's eco‑friendly SUV with previously unattained levels of off/on‑road capability

Kumho is a tyre manufacturer with a conscience. It produces millions of tyres for today's SUVs, but is acutely aware that such vehicles will have to change dramatically if they are to survive ever greener vehicular legislation. They will also have to provide a better balance of on‑ and off‑road ability. The company has therefore employed the skills of its in‑house designer, Rob Dolton, to demonstrate exactly what tomorrow's SUVs could be like - the intriguing result is Fortis!

Body panels manufactured from recycled tyre rubber

Fortis has the aggressive stance expected of a highly capable SUV combined with such fresh aesthetic touches as light clusters influenced by Korean glass sculpture. Far more contemporary still are the bumper sections, doors, bonnet, front wings and rear hatch which are manufactured from recycled tyre rubber. Underpinning all this machismo is a modular chassis and drivetrain concept that will be developed through subsequent designs, the platform allowing for different vehicles to be easily packaged around common parts.

The drivetrain comprises four 100hp chassis‑mounted motors - one powering each wheel when the vehicle is in 4‑wheel drive mode. This system provides ultimate off‑road traction, ESP and hill descent, while the motor configuration allows for easy transition between 4WD, 2WD, FWD and RWD. The in‑wheel regenerative braking system gives optimum on‑road driving response.

Electric power

Power comes from a Lithium ion battery pack and Kumho believes the viability of such alternative propulsion will depend on the technology becoming as user friendly and convenient as petrol and diesel are today. Fortis's batteries can therefore be used in two ways:

1. Recharged - at home, work or recharge stations
2. Exchanged - old batteries replaced by new ones on longer journeys

Revolutionary tyres with adjustable treads

As you'd expect from one of the world's leading tyre manufacturers, the Fortis also boasts revolutionary tyre technology. Currently, the only way an SUV will provide optimum performance both on and off‑road is to change the tyres for each requirement. The Fortis, however, allows its driver to specify the performance required from just one set of tyres by having a tread pattern that can be adjusted at will.

The tyres feature metal biters in their tread that optimise off‑road performance - when employed, it is primarily they that grip the terrain for maximum traction and durability. For on‑road use, the tyre cavity is inflated. This expands the rubber areas of the tyre to cover the metal biters, offering high levels of comfort, noise performance and road‑biased dynamic ability. With this technology, one really can achieve the best of all worlds.

Unique credentials

Rob Dolton is the only qualified vehicle designer employed within the world's tyre industry and is retained by Kumho's European Technical Centre in Birmingham specifically to explore future technologies for road and track vehicles, and the tyres on which they run. A graduate of the internationally renowned Automotive Design Department of Coventry University, he worked for Fiat Advanced Design in Turin before joining Kumho in 2005. Dolton's previous vehicle concepts include a bamboo‑chassied single‑seat racecar powered by four Maglev units.

Topics: concept, suv

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