| Year | 1943 |
| Date | 25-Mar |
| Volume | 88 |
| Issue | 2,185 |
| Page | 283 |
| Category | Improving the Two-Stroke |
| Part | |
| Title | A Number of Thingsà . |
| Author | Edgar T.Westbury |
| Notes | 30 c.c. Type "R" carburettor, body casting of Atom type 'R' carburettor, more about universal joints, popular coupling, modified square-and-socket joint, simple "fork and tongue" coupling, type of universal joint used and recommended by "Derive", a friction-grip shaft adaptor, hairsplitting about engine weight, importance of power/weight ratio, new engine |