| Year | 2014 |
| Date | 10-Jan |
| Volume | 212 |
| Issue | 4,473 |
| Page | 90 |
| Category | Internal Combustion |
| Part | |
| Title | The Eta 15D Diesel Engines |
| Author | Ramon Wilson |
| Notes | Two 5cc versions by. An Eta Instruments advert from Aeromodeller magazine, the original 2.5cc engine, Tigress Mk VI team racer designed by Ken Long made by Ken Newbold (photo courtesy of Terry McDonald) |