| Year | 2018 |
| Date | 22-Jun |
| Volume | 221 |
| Issue | 4,589 |
| Page | 38 |
| Category | Aeronautical |
| Part | 1 |
| Title | Quarter Scale Bentley BR2 Rotary Aero Engine |
| Author | Mick Knights |
| Notes | Begins the description of why and how he built his quarter scale aero engine. The nine cylinder radial, the BR2 (photo by Neil Wyatt) |