| Year | 2001 |
| Date | 09-Mar |
| Volume | 186 |
| Issue | 4,141 |
| Page | 221 |
| Category | Exhibition |
| Part | |
| Title | The 70th Model Engineer Exhibition. Competition Class Reports. Class A2: Internal combustion engines |
| Author | Ron Harris |
| Notes | Daniel Robin's 1/4 scale Bentley BR2 rotary aero engine, Mr Winn's Gipsy 1 aero engine, Eric Offen's running sessions |