| Year | 2017 |
| Date | 06-Jan |
| Volume | 218 |
| Issue | 4,551 |
| Page | 81 |
| Category | Internal Combustion |
| Part | 2 |
| Title | BollAero 49 Glowplug Engine |
| Author | Chris Boll |
| Notes | A traditional aeromodeller constructs an engine for flight. Crankshaft, cylinder liner, piston, conrod, cylinder jacket, cylinder fins |