Billy (William M.) Davy – A 1920s Engineering Wizard?

In June 2009 we featured a piece about W.M. Davy from NZ converting a 2 3/4hp side valve Douglas engine into a OHC. The article came from a 1920s edition of the English motorcycling magazine The Motorcycle. Not much else was printed and so here endeth the story. Well, Graeme from New Plymouth has passed …

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1924 ~ 27 Blackburne Single Cylinder Engines Hints, Tips and Parts List.

For a lot of small motorcycle manufacturers it was financially impractical to design and build their own engines, so larger companies like JAP, Sturmey Archer, Villiers and Blackburne provided them with the power units. Therefore this manual should be of a huge benefit to owners of such machines as Rex Acme, Cotton, Toronda, OEC, McEvoy …

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