| Year | 1938 |
| Date | 13-Jan |
| Volume | 78 |
| Issue | 1,914 |
| Page | 30 |
| Category | Petrol Engine Topics |
| Part | |
| Title | The "Kestrel" 5 cc. Two-stroke Engine |
| Author | Edgar T.Westbury |
| Notes | Connecting-rod, oblique projections of a portion of crankcase, rotary valve, contact-breaker,plan and end elevation, assembly, another view of Mr Ripper's "Kestrel", cradle frame, testing |