1955 Vincent 998cc Black Prince
Registration no. RGW 793
Frame no. RD 12691BF
Engine no. F10AB/2B/10791
Ever since the Series-As arrival in 1937, the Vincent v-twin had been synonymous with design innovation, engineering excellence and superlative high performance. So in September 1955 when it was revealed that production of the Stevenage-built machines would cease, the news stunned the motorcycling world. It had been decided that the firms future lay in more profitable lines of manufacture, and just 100 more of the fabulous v-twins would be completed. By the time its demise was announced, Vincents final twin - the Series-D - had been in production for just six months. It had been Philip Vincents belief that provision of ample weather protection combined with enclosure of engine and gearbox, would make the Vincent Series-D the ultimate gentlemans motorcycle, though delayed delivery of the glassfibre panels - plus continuing demand for traditionally-styled models - resulted in over half the production leaving the Stevenage factory in un-enclosed form. The enclosed Rapide and Black Shadow were known as Black Knight and Black Prince respectively. Other Series-D innovations included a new frame and rear suspension, a user-friendly centre stand, plus many improvements to the peerless v-twin engine. When production ceased in December 1955, around 460 Series-D v-twins had been built, some 200 of which were enclosed models. One of the highlights of Professor Ehns collection, this Vincent Black Prince was purchased in the UK in 1995 and has performed perfectly in every respect since acquisition. Last used on the road in 2004, the machine is offered with UK V5 registration document.
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