Axial Flux Studio / Field guide
Three starting architectures
What changes when you move the rotor or stator.
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Segmented stator teeth with shoes and concentrated coils; no continuous stator yoke.
Two stator assemblies face a central magnet rotor. Winding and return paths follow the selected design.
One active airgap. Retain the stator and rotor return paths specified by the model.
01Dual rotor / single stator
Two rotors face a central stator. The YASA starting architecture uses segmented stator teeth and concentrated coils. Inspect both airgaps, magnet polarity and the complete axial stack rather than treating the two rotor discs as unrelated parts.
Use this starting point to explore tooth coils, winding fit and axial packaging. Manufacturing, tooth retention and cooling still require design work outside an electromagnetic first estimate.
02Dual stator / single rotor
Two stators face a central rotor. The TORUS-S starting architecture provides a different flux path and winding arrangement. Reference examples can include lap windings and specific material assumptions.
When comparing it with another architecture, hold shaft torque, speed, current convention and material temperature consistent. Equal outside diameter alone does not make two machines equivalent.
03Single rotor / single stator
One rotor faces one stator across a single airgap. It is a useful one-sided starting point, with its own axial force and structural implications. Check airgap, back iron and the axial stack as a complete assembly.