| Year | 2017 |
| Date | 23-Dec |
| Volume | 218 |
| Issue | 4,550 |
| Page | 37 |
| Category | Internal Combustion |
| Part | |
| Title | The Valveless Two Stroke Engine |
| Author | Roger Backhouse |
| Notes | Looks back upon a technology that perhaps never realised its potential. The Day-Cock engine, Day gas engine, Ralph Lucas divided cylinder engine, the Vulcan car, Trojan car, the Trojan van, recent developments - Queen's University Belfast, Jaguar V6 engine, Lotus Omnivore engine, Achates Power opposed piston engines, some photographs courtesy of Kirklees Museums & Galleries: Tolson Museum Huddersfield, further reading, visits, reference |