| Year | 2011 |
| Date | 04-Nov |
| Volume | 207 |
| Issue | 4,416 |
| Page | 615 |
| Category | Stationary Engine |
| Part | 5 |
| Title | Twin Cylinder Overcrank Engine |
| Author | Stewart Hart |
| Notes | Makes the eccentric sheaves and crankshaft. Bearings, the eccentric assembly, the connecting link, the valve stem, power take off |