Unique lightweight chassis structure ‘ToPCat’ for new EV project

31 October 2018

Credit: Uniti One

Swedish electric car company Uniti has named KW Special Projects as the official engineering partner for its new affordable electric vehicle programme: Uniti One.

The agreement will see KW Special Project's (KWSP) unique carbon composite vehicle platform exploited for the vehicle build – chosen for its lightweighting, thermal management, and structural advantages.

Named ToPCat, KWSP’s carbon composite chassis vehicle platform can be developed for a fraction of the cost of traditional methods. It offers an alternative to more conventional carbon fibre reinforced polymer (CFRP) thermosets, traditionally seen in motorsport programmes.

However, while CFRP can be expensive to process, labour-intensive and not easily recyclable, ToPCat is fully recyclable and has been proven to shorten engineering cycle times by 83%. Independent tests have also demonstrated financial savings in both tooling costs and unit costs, when ToPCat has been used as an alternative to other methods.

Built through modular construction, utilising a repeatable manufacturing process, ToPCat utilises thermoplastic materials and innovative manufacturing processes to meet the need for reduced vehicle mass and increased modularity of manufacture. This is driven by a rapid rise in adoption of new energy vehicles (NEVs). It is an ideal choice for the new Uniti One vehicle, which will be produced at the UK’s first fully-digitised electric vehicle production site at Silverstone Park.

Kieron Salter, managing director at KWSP, commented: “Uniti One is a really exciting project which will demonstrate the lightweight and structural advantages of ToPCat when compared with alternative methods of chassis design and manufacture.

“Made possible by co-funding from the UK’s innovation agency, Innovate UK, ToPCat was key to attracting Uniti to the UK, where the company hopes to take advantage of Britain’s expertise in materials development and lightweighting.”

ToPCat will be promoted by KWSP at this year’s Advanced Engineering Show at Birmingham NEC between 31st October and 1st November 2018. For more information, visit www.uniti.earth.

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