Grey Flash 2751

The history and restoration of a Vincent HRD Grey Flash

As mentioned in the post before last, there was something that we felt we needed to get to the bottom of. The image of this component, kindly sent to us by David Dunfey, featured a nut seated in a counter bore. This nut had been torqued into place and was held by the edges of …

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Much re-designing to the 500cc cycle parts was required by Vincent HRD to accommodate the Albion racing gearbox. The standard road-going Comet and Meteor utilises a Burman gearbox and everything was designed to accept this proprietary unit. Fitting the Albion gearbox required special brackets, unique to the Grey Flash, and major surgery to other parts. …

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This component is of a special configuration to accommodate the Albion racing gearbox and thus unique to the Grey Flash. This modification was performed in antiquity but for what purpose we’re not sure.There is an argument that it was done for purposes of lightening though we think it may have been undertaken to enable easier …

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We knew that this side was going to present more head-scratching. The correct configuration hanger plate was fitted and the gear linkage parts loosely assembled. The hollow FT256AS tube for the rose joints is clearly too short – this would have originally been fitted to a Black Lightning which employed the Vincent “unit” gearbox. So, …

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