Tesla Roadster Power System: Dual Motors, Cobalt Steel Cores and 4680 Battery

Tesla Roadster Power System_ Dual Motors, Cobalt Steel Cores and 4680 Battery

Elon Musk has never been short of crazy ideas, but the new Tesla Roadster takes things to another level. With dual rear motors, a megawatt-class power system, a 4680 battery, and SpaceX-inspired thrusters, Tesla aims to push the limits of electric supercars. So, what makes the Tesla Roadster power system different? Let’s look at its electric motors, cobalt steel cores, 4680 battery, inverters, and rocket-inspired technology.

Frameless Torque Motor Stator and Rotor Design: A Practical Guide

Frameless Torque Motor Stator and Rotor Design

Why can a frameless torque motor deliver high torque density and precise motion in a compact space? The answer lies in how its stator and rotor are designed to work together. From core structure and winding methods to permanent magnet selection, every detail affects motor performance. This guide covers the key points of frameless torque motor stator rotor design and explains how to balance performance, size, and manufacturing requirements.

Xiaomi YU7 V8s EVO Supper Motor Technology

Xiaomi YU7 V8s EVO Supper Motor Technology

Xiaomi V8s EVO Supper Motor is one of the most talked-about electric vehicle motor technologies in 2025. But what makes it so special? How does it achieve an ultra-high speed of 28,000 rpm, deliver 611 PS of peak power, and reach an impressive peak efficiency of 98.38%? Let's take a closer look at the key technologies behind the Xiaomi V8s EVO Supper Motor.

What Is Ferro-Nickel 1J50 Material?

What Is Ferro-Nickel 1J50 Material

Why do some electromagnetic components work reliably in very weak magnetic fields, while others struggle with stability and accuracy? The answer often lies in the material. If you are designing sensitive magnetic circuits or compact electromagnetic devices, understanding ferro-nickel 1J50 material is essential.

How to Improve the Motor Slot Fill Factor?

How to Improve Motor Slot Fill Factor

Are you trying to increase the motor slot fill factor but not sure where the real limits come from? The motor slot fill factor is one of the most powerful tools we have when pushing power density, torque output, and efficiency. Small improvements often bring big gains. But to use it well, we must understand what controls it and how each design or process choice affects it.

Types of Railway Transportation Traction Motor

2 Types of Railway Transportation Traction Motor

What gives modern trains the strong and lasting power to reach such high speeds? To answer this question, we need to take a close look at the “power heart” of China’s high-speed rail — the Railway transportation traction motor. It is the key device that drives almost all forms of railway transportation.

3 Types of Direct-Driven Wind Turbine Generators

3 Types of Direct-driven Wind Turbine Generators

Have you ever wondered how Direct-driven Wind Turbine Generators work without a gearbox and still deliver high efficiency? These innovative generators are changing how we convert wind energy into electricity. By eliminating the gearbox, they achieve higher efficiency, lower maintenance, and quieter operation—making them the preferred choice for modern wind power systems.

Electric Drive System Performance Comparison: Magna, Xiaomi, and Huawei

Electric Drive System Performance Comparison_ Magna, Xiaomi, and Huawei

What makes an electric drive system truly powerful — efficiency, speed, or innovation? As the EV industry evolves, the electric drive system has become the heart ofevery electric vehicle, directly shaping power output, energy efficiency, and driving performance. Today, we’ll take a close look at three major players — Magna, Xiaomi, and Huawei — and compare their latest electric drive systems in terms of technology, performance, and engineering breakthroughs.

Electric Motor Cooling: The Key Factor That Determines Motor Performance

What Determines the Performance of an Electric Motor

When people talk about electric vehicles, they often focus on power, acceleration, and energy efficiency. Some believe that as long as you choose the right type of motor—such as a permanent magnet synchronous motor (PMSM) or an induction motor—the performance will naturally be excellent. But in reality, it’s not that simple.

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Lammotor is a motor core lamination manufacturer based in China. We are passionate about providing our customers with the highest quality of products, and we have been doing so since our founding in 2010.

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