| Year | 2012 |
| Date | 13-Jul |
| Volume | 209 |
| Issue | 4,434 |
| Page | 105 |
| Category | Internal Combustion |
| Part | 4 |
| Title | I/C Topics. The Firefly .46 Project |
| Author | Frank Payne |
| Notes | Describes how he built this practical 7.45cc aero glow engine for beginners. Crankcase backplates, crankshaft and crankpin, big end pin, alternative crankshaft manufacture |