Motor

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OMSI announces move into heavy-duty applications

With a 70-year history in manufacturing gearboxes, axles and power take-off (PTO) units for trucks, special-purpose machines and the railway industry, Italy’s OMSI Trasmissioni is now targeting heavy-duty e-mobility applications with a new range of hybrid and electric drives that exploit modern electric motors with high power densities (writes Peter Donaldson). “We can work with […]

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High-speed marine motor addresses critical need

Rapid acceleration may not be the first thing that comes to mind when considering marine vehicles that serve the offshore industries, but it is important because it increases their operational limits, enabling them to be deployed for longer in higher sea states (writes Peter Donaldson). That is one of the key selling points of Walker […]

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Meeting the challenges of developing e-VTOL air taxis

AutoFlight’s Prosperity I, a Chinese-designed e-VTOL air taxi sized to accommodate a pilot and three passengers, is intended to meet the rigorous safety standards that apply to transport-category aircraft including the largest airliners, and the company is aiming for certification and service entry in 2025 (writes Peter Donaldson). Invited by electric aviation pioneer and AutoFlight’s […]

New Products

Koenigsegg announces its first e-motor and EV drive unit

Koenigsegg has unveiled its first e-motor, the Quark, which uses a torque/power-rich balance between radial (power-dense) and axial (torque-dense) flux topology it calls Raxial Flux. The company has also integrated two of them with one of its David inverters, plus planetary gearsets, to create a torque-vectoring EV drive unit it calls the Terrier. The company says a key […]

Dossier

Sigma Powertrain EMAX transmission

Peter Donaldson reports on how lamination technology has evolved in recent times to meet changing demands from the EV industry Whether or not governments

Focus on...

Motor laminations

Peter Donaldson reports on how lamination technology has evolved in recent times to meet changing demands from the EV industry Whether or not governments eventually ban the manufacture of

In Conversation

David Hudson

Talking the talk The head of EV strategy at ePropelled tells Rory Jackson how he came into the role and shares details of the company’s dynamic torque switching technology Predicting growth or decline across different areas of the e-mobility world is challenging at the best of times. These days it is even more complex, with […]

Grid

Motor wire is ‘green’

Tau has started shipping prototype environmentally friendly winding wire to the automotive industry. The wire combines minimised partial discharge, high fill factors and improved temperature resistance for high-voltage and frequency optimisation for electric motors.

Grid

Flat chassis chosen for axial motors

Saiettta has used its AFT140 axial motor for a flat chassis for urban vehicles (writes Nick Flaherty). Mounted on the corners of the chassis, the AFT 140 in-wheel electric motors provide a torque of up to 140 Nm for controllable power at low speeds in urban stop-start journeys. The chassis is a flexible platform that […]

New Products

Actia Group sets up Power division

Vehicle electronics supplier Actia has announced it has set up a Power division to consolidate the various activities of the wider Actia Group relating to the design and manufacture of onboard batteries, power electronics and electrification systems for electric and hydrogen hybrid mobility. It says its experience in vehicle electronics and power management means the […]