| Year | 2022 |
| Date | 23-Sep |
| Volume | 229 |
| Issue | 4,700 |
| Page | 458 |
| Category | Electrical |
| Part | 6 |
| Title | Rewinding a Two Speed Motor |
| Author | Graham Astbury |
| Notes | Learns a lot about single-phase induction motors and describes 'The long and winding road that leads to a 2-speed single-phase motor'. Sizing the capacitor: eight-pole speed, the four-pole winding, sizing the capacitor: four-pole speed, magnetising current: four-pole speed |