![]() ![]() They recognize the importance of having long-term differentiation in these spaces, so they have to bring it in-house.” “If you look at the history of automotive generally, the auto companies have wanted to have the engine, their core technology, in-house,” Woolmer said in an interview. “The batteries, the motors, this is their core technology now. In July of last year, Mercedes announced it had acquired Yasa for an undisclosed sum and would put its motors in AMG models slated to launch starting in 2025. ![]() While JLR ended up canceling the project due to financial constraints, Yasa’s motors found their way into the Koenigsegg Regera hybrid hypercar, followed by the Ferrari SF90. Within a few years of earning his doctorate, Jaguar Land Rover made plans to use Yasa’s motors in the C-X75, a hybrid-electric two-seater with enough horsepower to rival the Porsche 918 Spyder, McLaren P1 and Ferrari LaFerrari. Yasa’s motors are the brainchild of Tim Woolmer, whose work on them were the focus of his electrical engineering PhD at the University of Oxford. Yasa, an Oxford, England-based manufacturer of motors used in Ferrari’s SF90 and 296 GTB plug-in hybrids, uses just a few kilograms of iron for its stators, reducing the mass of the machines by as much as 85%. Since the motor generates torque at a bigger diameter, less material is needed. This leads the flow of current - the flux - to travel axially through the machine, rather than radially out from the center. In axial motors, rather than have a rotor spin inside a stator, disc-shaped rotors spin alongside a central stator. The magnetic force created by a stationary stator surrounding a rotating rotor produces the torque that turns the wheels of the vehicle. When these coils are energized, they become electromagnets with attractive and repulsive forces. With each press of the accelerator, EV drivers push hundreds - and in some cases thousands - of amps of electric current to copper coils. “It will make use of the small size of the motor.” “The power-to-weight ratio is really a record number, and much better than conventional motors,” Markus Schaefer, Mercedes’s chief technology officer, said of the automaker’s upcoming AMG electric vehicle platform. Whereas in the combustion age, quicker times off the line and higher top speeds were achieved with more engine cylinders, manufacturers will differentiate performance EVs by getting the most out of batteries with lighter and more efficient motors. All EVs offer the sensation of instant acceleration, from Nissan’s Leaf to Tesla’s Model S Plaid. High-end motors like these will be crucial to brands like AMG and Ferrari as they race to electrify the high-performance vehicles that earn prestige and bumper profits. Axial flux motors are much smaller than predominantly used radial motors, yet pack a more powerful punch. Mercedes-Benz AG and Ferrari NV are turning to this type of electric motor to generate headrest-hitting torque. No, not flux capacitors, but axial flux motors. When drivers of future Mercedes AMG models stomp the accelerator of their electric performance cars, they’ll get extra oomph out of the batteries from something that sounds straight out of " Back to the Future." See the types of electric motors available from Ashwoods Electric Motors.Axial flux motors: Mercedes and Ferrari’s edge in electric car performance Smaller, lighter, more efficient, they open all sorts of performance possibilities See some of our exciting electric motor applications: So we ended up developing low cost electric motors in order to deliver the required Price, Performance & Durability balance. We know this because we started life as a customer for electric motors and couldn’t find what we were looking for. Our permanent magnet axial flux or 'pancake' motors are used in our own hybrid vehicles and are supplied extensively to the 'Off highway', Automotive and Industrial markets.Īshwoods permanent magnet motors offer the lowest Cost per kW range of Permanent Magnet electric motors available on the market. See below for our range or contact us for more details. The Axial flux motor range comes in air cooled and liquid cooled versions depending on your power requirements. Ashwoods Axial Flux motors use SPM (surface mounted permanent magnet) technology to deliver high power with fantastic efficiency. ![]()
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