Carter are proud partners with Drayson Racing Technologies.
For a few years now Carter have been involved in supplying various bearing products such as hybrid and ceramic bearings as well as aerospace bearings to the motorsport industry and during the past year we have become a proud partner with Drayson Racing Technologies and the development of the Lola Drayson B12/69 EV.
Carter has been working alongside Drayson Racing Technologies in order to develop fresh technology to work with the new drive train especially designed for the fully electric Lola Drayson B12/69 EV.
Drayson Racing has been the first to announce they will be a participating team in the brand new Formula E racing series. Since 2011 Drayson Racing Technologies has been developing a car which is the epitome of electric racing capabilities. It was in the early stages of 2012 in which Carter became involved in the development of bearings to work with its pioneering drive system.
With a drive train that can develop up to the equivalent of 850Bhp the strain on the bearings can be extreme. In order to compensate for the large amounts of power and reduce the need for regular bearing replacements Carter have developed a hybrid NU style roller bearing for extended wear resistance and life capabilities.
With a density of 3.2 g/cm3 Silicon Nitride is far less dense than its traditional 52100 Chrome steel counterpart. The benefit of using this type of material for rolling elements is a minimal requirement for lubrication and a significant reduction in weight. The low friction coefficient of Silicon Nitride coupled with the weight reduction means that initial start up torque is reduced causing less strain on the individual components of the bearing. The reduction in weight also causes a reduction in the centripetal force generated by the rotation of the bearing which in turn minimises wear on the elements themselves. All these factors then contribute towards a more efficient transmission of power.
The Lola Drayson B12/69 EV is a pioneer in the world of electric racing. Developed as an example of what is technologically possible for electric driven race cars the Lola Drayson B12/69 EV has proven to many people that electric cars and electric racing has a viable future and one which is set to revolutionise the world of motorsport.
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Author: Martin Wakelin, Carter Manufacturing Limited