Energy / Europe
YASA's Axial Flux Motors: A Game Changer for Electric Vehicles
YASA's axial flux motors present a significant advancement in electric vehicle technology, potentially reducing vehicle weight by up to 200 kg. This reduction addresses a critical challenge in EV design, enhancing overall performance and efficiency.
Source material: This Tiny 1000bhp 13Kg YASA Motor Cuts 200kg From EVs!
Summary
YASA's axial flux motors present a significant advancement in electric vehicle technology, potentially reducing vehicle weight by up to 200 kg. This reduction addresses a critical challenge in EV design, enhancing overall performance and efficiency.
The innovative pancake-shaped design eliminates the magnetic yoke, which traditionally contributes to motor mass, resulting in a power density that is three to four times greater than conventional radial motors. This breakthrough is made possible by modern materials and manufacturing techniques.
YASA's motors can produce up to 1,000bhp while weighing only 12.7kg, showcasing their superior power-to-weight ratio. This capability allows for smaller battery packs and less wiring, further contributing to weight savings across the vehicle.
The acquisition of YASA by Mercedes-Benz highlights the strategic importance of this technology in developing high-performance electric powertrains. YASA's innovations extend beyond automotive applications, finding potential uses in electric aviation.
Perspectives
short
Proponents of YASA Technology
- Claim significant weight reduction of up to 200kg in electric vehicles
- Highlight superior power density of YASA motors compared to traditional radial motors
Skeptics of Weight Reduction Claims
- Question the direct correlation between weight reduction and overall EV performance
- Point out the need for comprehensive testing to validate performance gains
Neutral / Shared
- Acknowledge advancements in materials enabling the production of axial flux motors
- Recognize the potential applications of YASA technology in various industries
Metrics
other
200 kilos kg
potential weight saving across an entire vehicle
Reducing vehicle weight can enhance efficiency and performance
their pancake shaped motors could squeeze out 200 kilos of weight from an EV
other
25,000 motors units
annual production capacity of YASA motors
High production capacity indicates scalability of the technology
producing 25,000 motors a year
other
1,000bhp
maximum power output of the motor
This high power output enhances vehicle performance significantly
they can get a thousand horsepower from a motor that weighs just 12.7 kilos.
other
12.7kg
weight of the YASA motor
The lightweight design contributes to overall vehicle efficiency
a motor that weighs just 12.7 kilos.
other
200kg
potential weight reduction in electric vehicles
Reducing vehicle weight can improve range and efficiency
that could strip out 200 kilos from an electric vehicle.
other
25,000 units
annual production capacity of the factory
Increased production capacity can meet growing demand for EV technology
this Oxfordshire Super Factory is scaling to 25,000 units a year.
Key entities
Timeline highlights
00:00–05:00
YASA's axial flux motors can potentially reduce electric vehicle weight by up to 200 kg, significantly addressing the weight challenge in EV design. The innovative design eliminates the magnetic yoke, enhancing power density and efficiency.
- YASAs pancake-shaped axial flux motors can potentially reduce electric vehicle weight by up to 200 kg, addressing a significant challenge in EV design
- The motors feature a two-rotor design that eliminates the magnetic yoke, traditionally a major contributor to motor mass, resulting in enhanced power density
- YASA claims a three-to-one power density advantage over conventional radial motors, which have also seen improvements in recent years
- The companys innovations stem from modernizing 200-year-old technology with advanced materials and manufacturing processes, enabling the production of up to 25,000 motors annually
05:00–10:00
YASA's axial flux motors can produce up to 1,000bhp while weighing only 12.7kg, significantly enhancing power density compared to traditional motors. This innovative design could lead to a weight reduction of up to 200kg in electric vehicles, addressing a key challenge in EV performance.
- YASAs axial flux motors achieve up to 1,000bhp while weighing only 12.7kg, offering a power density three to four times greater than traditional radial motors
- The elimination of the magnetic yoke in YASAs design significantly reduces weight, potentially saving up to 200kg in electric vehicles
- Advancements in materials, especially soft magnetic composites, have made the manufacturing of these complex axial flux motors feasible
- Mercedes-Benzs acquisition of YASA highlights a strategic move towards integrating this innovative technology into high-performance electric powertrains
- YASAs technology extends beyond automotive applications, finding uses in electric aviation, indicating its broad potential across various industries
10:00–15:00
YASA's axial flux motors provide up to 1,000bhp while weighing only 12.7kg, significantly enhancing power density compared to traditional motors. This innovative design can lead to a potential weight reduction of up to 200kg in electric vehicles, addressing a key challenge in EV performance.
- YASAs axial flux motors deliver up to 1,000bhp while weighing just 12.7kg, offering a significant power-to-weight advantage over traditional motors
- The manufacturing process utilizes advanced robotics and automated testing to ensure each motor meets high quality and reliability standards
- This innovative design can lead to overall vehicle weight reductions of up to 200kg by improving efficiency across various subsystems
- High-performance brands like Ferrari and Lamborghini are already leveraging YASAs technology to enhance driving dynamics through improved torque vectoring
- Future developments may include in-wheel motors, which could further transform vehicle architecture and efficiency
15:00–20:00
YASA's axial flux motors can produce up to 1,000bhp while weighing only 12.7kg, significantly enhancing power density compared to traditional motors. This innovative design could lead to a weight reduction of up to 200kg in electric vehicles, addressing a key challenge in EV performance.
- YASAs technology aims to achieve power density comparable to carbon ceramic brake discs, potentially allowing sports cars to rely on regenerative braking instead of traditional brakes
- Regenerative braking could double the range of electric vehicles on tracks, although current battery limitations mean this technology is still under development
- Advancements in in-wheel motor technology may significantly reduce the need for large brake systems, enabling lighter vehicles and smaller battery packs, potentially achieving a 4-to-1 weight reduction effect
- YASA has rapidly grown to produce 25,000 motors annually, exemplifying a successful British engineering achievement in the electric vehicle industry
- The future of electric vehicle design could enable high-performance sports cars to reach weights similar to those of traditional internal combustion engine vehicles