YASA is at the forefront of eMotor innovation and development. Our axial flux technology motors are up to 4x more powerful than those used in nearly all Electric Vehicles on the road today, whilst being around 50% smaller & lighter. 

We already feature in some of the best eMotor applications across multiple sectors, and now as part of Mercedes-Benz, with sites in Oxfordshire and Welshpool, we are accelerating development of axial flux eMotors and Control Systems for the next generation of Electric Vehicles.
YASA’s axial flux electric motors and controllers provide the greatest efficiencies and highest power and torque density in their class, for the smallest size and weight. 

Uniquely, our axial flux electric motors feature a proprietary 'Yokeless And Segmented Armature'.

An Electric Leap Forward:

“I was five weeks into my PhD at Oxford University, when I suddenly realised there was a much better way to build an electric machine called a torus axial flux motor. The insight I had was that by removing the motor's stator yoke, and splitting it into segments, we could reduce the motor's weight – and yet at the same time improve its torque, power density, efficiency and manufacturability, making it potentially transformative within the then nascent electrification industry.”

Dr. Tim Woolmer, CTO and Founder, YASA

The YASA Axial Flux technology is driving a revolution in car design.

Last month WIRED magazine’s Ben Oliver spoke to our founder & CTO Tim Woolmer, to get the low down on our revolutionary electric motors and how Mercedes Benz are ramping up production capacity to bring this groundbreaking technology to it's AMG series. Compared to a radial flux motor, which have powered most EV's up until […]

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Mental Heath Week at YASA

YASA marked Mental Health Week with series of activities to encourage colleagues to take time to reflect, consider their own mental health and that of others, as well as practise wellness and wellbeing. Oxfordshire Mind delivered an insightful mental health awareness training session showcasing what mental health encompasses in today’s busy modern world, including behaviours […]

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YASA to move UK HQ to Bicester Motion’s new Innovation Quarter

We are delighted to announce that YASA Limited, has agreed to pre-let three landmark connected buildings for our UK Headquarters, in the new Innovation Quarter at Bicester Motion. the 444-acre estate in Bicester, Oxfordshire, which is home to mobility businesses past, present and future, to help pioneer a sustainable mobility future. Bicester Motion’s new Innovation […]

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YASA receives £7M R&D grant from Advanced Propulsion Centre

YASA is delighted to announce we have received a new grant of over £7M from the Advanced Propulsion Centre, as part of a project to develop a high-frequency capable high voltage dual inverter with a pioneering dual-redundant braking system. This is part of the ultimate aim to enable significant weight and cost savings whilst increasing […]

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YASA In 2023: On The Global Stage With Mercedes Benz.

In 2023, YASA featured on the biggest of global stages, when, as part of the unveiling of the stunning Mercedes-Benz Vision One-Eleven, we demonstrated the result of iconic design meeting groundbreaking technology.   The automotive technology media was again captivated by what YASA axial flux promises to bring to future vehicle design, architecture, performance and […]

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YASA Awarded The Royal Automobile Club’s 2023 Dewar Trophy.

The Royal Automobile Club’s Dewar Trophy has been awarded to YASA – in recognition of the successful development and commercialisation of a new electric propulsion technology, the YASA axial-flux motor. The prestigious award was presented to YASA Founder and CTO, Tim Woolmer, at an event held today at the historic RAC Club in London. The […]

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YASA awarded £21.2 million funding to develop in-wheel motor

YASA has announced securing £21.2million in Collaborative Research and Development (CR&D) funding from the Advanced Propulsion Centre UK (APC). This funding will support a new consortium with partners Domin and Cranfield University to create a patented “In-wheel” motor design which aims to revolutionise existing EV architecture standards and bring a new level of electrified performance. […]

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A Decade Of Performance

For over a decade, YASA has been unlocking a new level of electric motor performance and setting electric speed records across land, air and water.  YASA’s axial-flux motors are designed to be significantly lighter, more compact and power dense than mainstream electric motors and have been tested and developed with some of the biggest […]

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YASA’s electric motor at the heart of Mercedes-Benz’s Vision One-Eleven

Mercedes-Benz is showcasing the future of electric performance motors in the new Mercedes-Benz Vision One-Eleven concept car, unveiled at the International Design Centre in Carlsbad, California. Paying homage to a 70s icon, the C111, the concept Mercedes-Benz Vision One-Eleven features YASA’s unique axial-flux electric motors, paving the way for a new era of innovative design […]

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Tim Woolmer Wins Mundy Award for Engineering at Autocar Awards 2023

We’re delighted to announce that Tim Woolmer, CTO and Founder of YASA was recently awarded the Mundy Award for Engineering, at the prestigious Autocar Awards 2023. This award recognises his incredible engineering achievements, developing axial flux electric motors that are more powerful, compact and lighter than the conventional radial flux design. The YASA Axial Flux […]

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