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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