| Year | 1998 |
| Date | 20-Nov |
| Volume | 181 |
| Issue | 4,081 |
| Page | 633 |
| Category | Hot Air |
| Part | 7 |
| Title | Little Gem. A Twin Cylinder Hot Air Engine |
| Author | Ray McMahon (Northern Ireland |
| Notes | Final building details. Propeller blades, test running, gantry ladder, burner unit, starting up and fault finding |