| Year | 1942 |
| Date | 03-Dec |
| Volume | 87 |
| Issue | 2,169 |
| Page | 534 |
| Category | Improving the Two-Stroke |
| Part | |
| Title | A 30-c.c. Racing Engine Design |
| Author | Edgar T.Westbury |
| Notes | Port timing diagram for "Atom V" engine, accurate centre-finding, a group of engines exhibited at the Glasgow SME, "Atom III" and "Kestrel" by W.H.Denwick, "Kestrel" by A.J.Brown, carburettor by J.Latta, effect of minor errors, fitting the oil pump |