| Year | 2012 |
| Date | 10-Aug |
| Volume | 209 |
| Issue | 4,436 |
| Page | 230 |
| Category | Hot Air |
| Part | 3 |
| Title | The Van Rennes Caloric Engine - Mk II |
| Author | James G.Rizzo |
| Notes | Builds another Van Rennes hot Air Engine. Phase 3, walking beam, swinging yoke and link, displacer con-rod big-end, displacer con-rod, sub-assembly - stage 3, phase 4, displacer cylinder, cylinder plug, displacer |