1919
Since the Edwardian days, a handful of engineers had conceived large capacity two-stroke motorcycle engines, though most were stillborn. But Messrs Dunford & Elliott (Sheffield) Ltd – Sheffield steel founders – had developed a 499cc single cylinder, two-stroke engine for an all-new motorcycle, planned to be on display at the Olympia Show.
Drawing on their experience of metallurgy, plus wartime improvements for cooling engines, the maker’s experimental department – 96 Bath Street, Birmingham – was now ready to unveil the firm’s first motorcycle.
Branded the Dunelt, at first it looked conventional, with girder front fork, three-speed countershaft gearbox, clutch and magneto, but then one noticed the unconventional engine design.
1944
Staff members of The Motor Cycle reported regularly seeing an older gentleman riding an immaculate BSA side-valve model in…