Douglas was based in Bristol unlike the majority of motorcycle manufacturers who were grouped in the Midlands or London areas. The Douglas brothers company was based in foundry work, but in 1907 W.J.Barter joined Douglas and designed a flat twin. This type of engine layout became the hallmark of the company which continued production until 1957 finishing with the Dragonfly. Similar to the BMW, Douglas retained the popular chain drive to the rear wheel.
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1955 Dragonfly |
1957 Dragonfly |
|
Mk IV & Mk
V
348cc, ohv flat
twin, 340lb, 65mpg, 75mph Dragonfly
1954-57, 348cc,
ohv flat twin, 395lb, 55mpg, 75mph |