| Year | 1954 |
| Date | 16-Sep |
| Volume | 111 |
| Issue | 2,782 |
| Page | 341 |
| Category | Internal Combustion |
| Part | |
| Title | A Supercharged Vee Twin. Details of an Experimental 15 cc Engine for a Racing Hydroplane |
| Author | B.Stalham |
| Notes | Installed in hydroplane "Tha II", cylinders, cylinder-heads, valves and springs, camshaft, valve timing, pistons and rings, connecting-rods and big-end, the crankshaft |