Nokian Tyres’ product development, Vianor’s professional pit crew and stunt driver Vesa Kivimäki recently combined their strengths to set a new world record for fastest car on two wheels at a speed of 186.27km/h, beating the previous record of 181.25km/h set in 1997 by Swedish Göran Eliason.

The tyres on the record-breaking car had been reinforced with Nokian Tyres Aramid Sidewall technology.

Nokian Tyres said the role of tyres becomes very important at extreme speeds, especially when only two tyres, which are in practice two palm-sized patches, are the only contact with the road, so the vehicle needed highly durable tyres to be able to break the record.

The company’s technical customer service manager Matti Mori said it had to design a special tyre for the purpose of the record, as the sidewall is what maintains road contact when driving on two wheels.

“The Aramid fibre added to the sidewall rubber compound strengthens the sidewall and gives it substantially better tear strength.

“This unique sidewall compound technology combined with a special structure created a specification that is suited for speed records, says Matti Morri, Technical Customer Service Manager for Nokian Tyres.

Aramid Sidewall technology uses strong aramid fibre also used in aviation and defence industries.

Morri said this would also help Nokian Tyres develop safer and more durable tyres in the future.

Vianor’s expert pit crew also participated in the world record by taking care of the record-breaking car and its tyres, changing tyres rapidly and reporting the condition of the car and tyres in real time to the driver.

Kivimäki had previously tried for the record unsuccessfully before realising he needed durable tyres to achieve the world record.

The world record for the fastest car on two wheels was set according to the rules defined by Guinness World Records – the car needs to be mass produced, not a prototype manufactured for the record attempt.

Within one hour, the car must drive both ways through speed measurement gates that are located one hundred metres apart, and the record is the average of these two measurements.

The record run was made on a 2km long, 50m wide runway.

The distance used for the average speed measurement was 100m.

 



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