| Year | 1927 |
| Date | 24-Feb |
| Volume | 56 |
| Issue | 1,346 |
| Page | 188 |
| Category | Practical Letters from Our Readers |
| Part | |
| Title | Petrol Engines for Speed Boats |
| Author | Edgar T.Westbury |
| Notes | Combustion head, air cooling, alloy steels, piston, connecting rod, camshaft, multi-cylinders |