| Axial flux EV motor package height | The supercar value case usually starts when a short axial package frees chassis, gearbox, wheel, or e-axle space. | Available OD, ID, axial height, rotor-stator clearance, gearbox or wheel envelope, bearing stack, mounting datum, and buyer package baseline. |
| Torque density and active mass | High torque density claims only help if the comparison states whether core, stator, active material, full motor, inverter, and cooling mass are included. | Continuous and peak torque, mass boundary, baseline radial or previous AFPM package, duty cycle, test method, temperature limit, and sample ID. |
| High-frequency core-loss condition | EV traction AFPM cores can see high electrical frequency and thermal load during repeated acceleration or high-speed duty. | Speed range, pole count, frequency, flux density, waveform, temperature, cooling method, material route, magnetic report format, and acceptance threshold. |
| Thermal interface and insulation stability | Supercar programs often combine compact packaging with oil or liquid cooling, high temperature, and tight insulation risk. | Coolant or oil exposure, thermal interface, coating map, coating thickness window, Hi-pot scope, temperature limit, potting or bonding boundary, and handling notes. |
| NVH, torque ripple, and air-gap repeatability | Flat axial geometry and repeatable air-gap datum help the buyer connect core manufacturing to quiet traction behavior. | Flatness, parallelism, tooth height, air-gap faces, rotor clearance, CMM or 3D scan plan, fixture method, assembly datum, and buyer NVH or torque-ripple limits. |
| Prototype-to-pilot batch consistency | A dyno sample only matters if the pilot batch can be traced to the same drawing, material route, inspection plan, and release evidence. | Revision history, material batch, density and mass records, magnetic report condition, coating or insulation records, sample IDs, inspection sampling plan, deviation list, and packaging record. |