| Year | 1945 |
| Date | 22-Mar |
| Volume | 92 |
| Issue | 2,289 |
| Page | 281 |
| Category | Internal Combustion |
| Part | |
| Title | Experiments in Four-stroke Engine Design. A review of several years' efforts to improve the breed of model petrol engines for speed-boat propulsion and other purposes |
| Author | Edgar T.Westbury |
| Notes | Cam contours for "Kittiwake" engine, some comments on cam design, mechanical considerations, lost motion in valve gear, effect of tappet clearance, clearances |