| Year | 1942 |
| Date | 21-May |
| Volume | 86 |
| Issue | 2,141 |
| Page | 489 |
| Category | Improving the Two-Stroke |
| Part | |
| Title | A 30-c.c. Racing Engine Design |
| Author | Edgar T.Westbury |
| Notes | General features, crankshaft, crankcase, cylinder, cylinder-head, general arrangement, rotary admission valve, lubrication |