| Year | 1940 |
| Date | 11-Jul |
| Volume | 83 |
| Issue | 2,044 |
| Page | 35 |
| Category | Internal Combustion |
| Part | |
| Title | Something New in Model Petrol Engines (A sleeve valve engine) |
| Author | K.G.Williams |
| Notes | The engine unit installed in the hull, rear end showing flywheel exhaust ports carburettor and fuel pump, a sectional general arrangement drawing, construction, pumps, the crankshaft, the flywheel, the connecting-rod and piston |