I wonder if this motor gives better power to weight than multiphase “dc” brushless designs? If so, I would imagine that it might be possible to use the magneti

I wonder if this motor gives better power to weight than multiphase “dc” brushless designs? If so, I would imagine that it might be possible to use the magnetic innovations here to construct an even more useful brushless design, since brushes are a source of a lot of inefficiency.