| Year | 2016 |
| Date | 09-Dec |
| Volume | 217 |
| Issue | 4,549 |
| Page | 849 |
| Category | Internal Combustion |
| Part | |
| Title | BollAero 49 Glowplug Engine |
| Author | Chris Boll |
| Notes | A traditional aeromodeller constructs an engine for flight. Building the 49 glow engine, crankcase, front flange |