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New tyre know-how to place 600bhp Rallycross Supercars on ice – Information by Automobilnews.eu

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New tyre know-how to place 600bhp Rallycross Supercars on ice



Primarily based on the Discoverer highway tyre revealed at this 12 months’s Geneva motor present, a studded rallycross tyre has been debuted by American tyre producer Cooper Tires at RallyX on Ice in Sweden.

Though the vehicles used at this 12 months’s occasion weren’t full-fat, 600bhp Supercar-class fashions, the brand new stud patterns and tyre widths are set to make potential the usage of extra highly effective racers on ice circuits in upcoming seasons. Testing discovered that Supercar-class vehicles at present trigger an excessive amount of put on on the ice, significantly shortening the usable window for the observe floor, however {that a} wider, much less abrasive tyre like the brand new Cooper Tires product might clear up this downside. The model hopes to see the usage of Supercars on ice circuits from 2020.

> FIA Rallycross 2019: every little thing you might want to know

The vehicles seen this 12 months at RallyX on Ice had been the lesser RX2-spec fashions, though they’re no slouches. Every of the twelve vehicles ran the identical 305bhp, 221lb ft, naturally aspirated Ford Duratec four-cylinder powerplant. Energy is transferred to the icy floor by way of a six-speed sequential gearbox and an all-wheel-drive system. Every automobile weighs simply 1100kg too, making for a formidable power-to-weight ratio of 282bhp per ton.

Changing the narrower, 16-inch tyres of final 12 months, the brand new 17-inch studded rallycross tyres include over 400 studs in a brand new structure for optimum grip and observe longevity. The addition of extra studs and a wider tread solely provides round 6kg per automobile over an ordinary dry or moist set-up.

The subsequent few years would possibly carry greater than a easy change of tyres to World Rally Cross, with the upcoming introduction of all-electric powertrains hanging over the racing collection. Talking at RallyX on Ice, WRX champion Andreas Bakkerud mentioned he felt that electrification was most definitely on its method, and that with the collection’ quick, sprint-style races and wish for speedy acceleration, if any race automobile would work in electrical type, it might be a rallycross automobile.

New tyre know-how to place 600bhp Rallycross Supercars on ice – Information by Automobilnews.eu
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