The automotive world is abuzz with the latest innovation from Horse Powertrain, a joint venture between Geely and the Renault Group. They've unveiled a groundbreaking range-extender hybrid powertrain, featuring an advanced axial-flux electric motor, that promises to revolutionize the way we think about efficiency in vehicles. This cutting-edge technology is set to make its mark in the automotive industry, offering a unique blend of performance and practicality.
A Compact Powerhouse
What sets this motor apart is its axial-flux design, a pancake-shaped marvel that's significantly more compact and power-dense than the traditional drum-like radial-flux design. This innovation is a game-changer, especially for hybrid cars, as it allows for easier packaging in tight spaces. The D20 powertrain, for instance, seamlessly integrates the motor into the gearbox, showcasing the potential for more efficient and compact vehicle designs.
The numbers speak for themselves: Horse's axial-flux motor is 46% shorter than a radial-flux counterpart of similar specifications, and it packs a punch with 63% more power, resulting in a formidable 141bhp. This level of performance is a testament to the motor's capabilities, and it's a far cry from the high-performance supercars that typically utilize axial-flux motors.
Efficiency and Practicality
The real magic lies in the powertrain's efficiency and practicality. The D20 matches the axial-flux motor with a naturally aspirated 2.0-liter engine that runs on methanol, generating electricity rather than driving the wheels. This setup allows for a remarkable recharge of a 40kWh battery pack using just 19.6 liters of methanol, a significant improvement over traditional fuel consumption.
Methanol, though not commonly used today, is gaining traction in China, with Geely's support for its use in large taxi fleets and the Xingyao 6 saloon's racing version. This shift towards methanol as a fuel source is a strategic move by Horse Powertrain, aiming to accelerate decarbonization through hybridization rather than relying solely on full battery electrification.
A Strategic Shift in Decarbonization
Matias Giannini, CEO of Horse Powertrain, emphasizes the company's commitment to solving the decarbonization challenge. He believes that widespread EV adoption is a distant prospect, and in the meantime, they have a responsibility to drive progress. This mindset has led to the development of the methanol range-extender powertrain, a practical and efficient solution that contributes to a more sustainable future.
In conclusion, Horse Powertrain's new range-extender hybrid powertrain is a significant step forward in automotive technology. It combines performance, efficiency, and practicality, offering a compelling alternative to traditional full battery electrification. As the industry continues to evolve, this innovation is a reminder that there are multiple paths to a greener future, and Horse Powertrain is paving the way with its unique approach.