F1 » Pirelli closing in on tyre deal

Paul Hembery says Pirelli is finally closing in a deal to continue as F1 tyre supplier for the 2014 season

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September 26, 2013 12:11 PM

The rolling radius of an 18" rim tire with lower profile rubber is the same as the existing 13" rim tire with higher sidewalls. The real impact is not ride height, but sidewall flex, as well as aero effects, gearing impact of a tire that holds its dimension at speed (less gain in gearing from tire growth), and less contribution of the tire in absorbing impact. The change to 18" rims would have a huge change on every aspect of the cars, and would take a massive effort to integrate on the part of every team. Pirelli is lame, but so is the idea of changing to stylish low profile tires to suit Michelin marketing.


September 26, 2013 2:58 PM

omah1975: They could just run a shorter sidewall.

Why not just base their tire on the previous year car? Ok so its not "optimized" for the current model year car but at the end of the day it would be the same tire for each team across the board and nobody would be getting any extra run-time on their current car.


September 26, 2013 5:27 PM

I like the idea of more racing instead of more testing.

By looking at slow motion, you can see the role 13" rim tyres play in shock absorving. To accomodate 18" rim tyres, suspension must be modified to absorve such impact thus making it more complex and heavier, shouldn´t it?


September 26, 2013 9:08 PM

18" tyres and rims would increase the braking potential and in turn the speed of the cars which is not the direction F1 is looking to go in. 13" rims restrict the braking potential and in turn speed.


September 26, 2013 9:10 PM

PS 18" tyres would enable a much better transfer of technology and apparent linkage between tyres used on the track and those available for the road. Some marketing hype but also a far better linkage to the end user / buyer of tyres


September 26, 2013 10:18 PM

If anybody's interested in seeing an 18" Michelin as they'd use in F1, check out the recent Formula E pictures. Exactly the same size rolling wheel, just a bigger rim and a thinner sidewall.


September 27, 2013 3:39 AM


The Dark Side of The Moon....continues

A second brand of racing graded tires is a good solution to the development - more competition is better to the drivers, as they can choose some BETTER tires.

Michelin is a good candidate !

FIA ? Bernie ? Jean Todt ? Team Owers ? Drivers ?


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