> According to YASA, this is achieved without using exotic or expensive materials, so the design could actually be scalable once the demand kicks in.

So, no rare-earth magnets? And it will be cheaper than existing motors?

You sent me down a rabbit hole.

I have no idea, but:

I searched axial flow motor in wikipedia, and the last link is:

https://newatlas.com/technology/conifer-iron-magnet-electric...

So maybe?

Rare-earth magnets do not fall under “exotic”.