| Year | 2008 |
| Date | 15-Feb |
| Volume | 200 |
| Issue | 4,319 |
| Page | 197 |
| Category | Stationary Engine |
| Part | 1 |
| Title | Self-starting single-cylinder double-acting steam engine |
| Author | Les Kerr (Australia) |
| Notes | Electronically controlled, stepper motor driven valve timing. Concept development, valve trials, valve motors, stepper-motor valve control, engine stop and start, stepper motor theory, unipolar motor operation |