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I was asked to help at one of my favourite rally the Wolds Vintage Group Rally held at Fangfoss in North Yorkshire on 27/28 July. setting up was in brilliant sunshine ( too hot ) we had to frequently stop for a cooling drink of water here are a few pictures especially of note the three quite rare Coleby machines

I have been busy inventorying all of my engines, and came across my old Drillgine. It has a model 13B 403 engine # 6092030. It is rated 1hp according to the sticker on the factory toolbox. In my search for information, I need to verify some specifications on this engine. Am I correct that the model 13B has a 1-1/4" bore, and 1.096" stroke, with 1.34 cubic inch, 21.9cc displacement, rated 1hp @ 6300rpm. I have found conflicting rpm numbers for the 1hp rating, 6300 or 7000. I have the year 1967 written down for it, is that correct? It starts and runs real good even after its four or so year slumber. Chris