| Year | 2015 |
| Date | 01-May |
| Volume | 214 |
| Issue | 4,507 |
| Page | 660 |
| Category | Stationary Engine |
| Part | 6 |
| Title | Helping Dad make a True Vertical Mill Engine |
| Author | Stewart Hart |
| Notes | Describes another engine ideal for encouraging youngsters. Fabricated flywheel, outer rim, inner rim, hub, spokes |