| Year | 2000 |
| Date | 28-Jan |
| Volume | 184 |
| Issue | 4,112 |
| Page | 131 |
| Category | Hot Air |
| Part | 2 |
| Title | Hotch Potch One. A Concentric Stirling Engine |
| Author | James G.Rizzo (Malta) |
| Notes | Continues construction. Drive mechanism, mechanism assembly, final assembly, flywheel, cooper, burner, running the engine, further rest runs, suggested modifications and alternative construction methods, power cylinder, displacer, experimenting with raised internal air pressure, next stage of development, The Stirling Engine Manuals |