| Year | 1998 |
| Date | 13-Mar |
| Volume | 180 |
| Issue | 4,063 |
| Page | 323 |
| Category | Exhibition |
| Part | |
| Title | The 67th Model Engineer Exhibition. Competition Classes Reports. Class A3 (Internal combustion engines) |
| Author | |
| Notes | Herbert Stumm's Otto & Langden gas engine, James Buchan's 10cc twin Wankel engine |