Back in July, YASA (formerly Yokeless And Segmented Armature), a British electric motor startup with a revolutionary “axial-flux” motor, was acquired by Mercedes-Benz.

The diesel-electric locomotive has been a mainstay of freight railroads and many passenger railroads for over a century.

For a fat tire e-bike, never dip below a 500W motor, and ideally, look at 750W or up. This will ensure that your motor performs on hills and won’t burn out if you push it too hard.

BMW’s latest axial flux motor patent locks in magnets with a unique metal package and axial stop, aiming for better performance, safety, and long-term durability.

A natural starting point for comparison was the most powerful electric outboard we've looked at, the Evoy Storm 300, which more than doubles ZeroJet's 474-W/kg (18-kW/38 kg) power-to-weight ratio ...