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Pirelli Creates Scorpion Zero All Season Tire for Land Rover Defender

The Pirelli Scorpion Zero All Season was born as an Ultra High Performance (UHP) tire, intended for SUVs. Photo: Pirelli

Pirelli has reinforced its partnership with Land Rover by creating new Scorpion Zero All Season tires that will feature as original equipment on the latest Defender.

Pirelli’s engineers worked in tandem with their counterparts from Land Rover to design bespoke Scorpion Zero All Season tires for the new Defender, as part of an intense development programme that took place all over the world in the most extreme conditions possible.

Rolling resistance

The Pirelli Scorpion Zero All Season was born as an Ultra High Performance (UHP) tire, intended for SUVs.

In order to hit Land Rover’s target of having tires in class A of rolling resistance, Pirelli’s engineers worked from the ‘standard’ Scorpion Zero All Season, in 19 to 20-inch sizes, to increase its off-road ability and reduce rolling resistance to a minimum.

The development of the new tire used new materials for the structure and compounds to be classified in class A for rolling resistance, which was specifically requested for off-road and wet grass performance. For this specific test, conducted on a hill, Land Rover tested Pirelli’s Scorpion Zero All Season both uphill at a constant speed as well as sideways across the slope in order to assess lateral grip on wet grass.

To meet Land Rover’s performance and efficiency targets for the Defender, the Scorpion Zero All Season tires underwent a modification to the structure, with a new design on the shoulder and a double tread block, which improves grip on mud, grass, and snow. This is essential to the Defender’s performance and stability: even at high speeds and on typically off-road surfaces.

Development tests

The development of the new Scorpion Zero All Season for the latest Defender started from Pirelli’s facilities in Carlisle and Milan with a series of indoor laboratory tests, before moving onto an outdoor programme. One of the testing grounds used was Eastnor Castle in the United Kingdom’s Malvern Hills: where Pirelli’s Scorpion Zero All Season tires were tested on 66 miles of varied terrain to find their limits. Snow and ice testing took place at Land Rover’s Revi Arjeplog in northern Sweden, while for soft handling and comfort, Pirelli used Land Rover’s own test track at Gaydon in Warwickshire, England. The high speed and wet handling tests were done at the legendary Nurburgring in Germany, and at the Applus and Idiada facility in Spain, as well as at Pirelli’s own Vizzola test track.

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