| Year | 1941 |
| Date | 06-Feb |
| Volume | 84 |
| Issue | 2,074 |
| Page | 112 |
| Category | Improving the Two-Stroke |
| Part | |
| Title | Profitable experiments in I.C. engine design |
| Author | Edgar T.Westbury |
| Notes | Ball and roller-bearings, comparison of crankcase size, flywheels for commercial engines, roller-bearing big-end, flywheel fitted to a commercial model aircraft engine, starting pulleys |