Vincent Black Shadow and C bikes having 1⅛" Amal 289 carburettors and Series D bikes having 1⅛" Amal Type 389/10 units. While other contemporary motorcycles tended to be polished and chromed, founder Philip Conrad Vincent (PCV) decreed that the Black Shadow engine itself be black. The engine's signature colour was achieved by applying a "pyluminising" coating of chromate anti-corrosion primer over which a layer of Pinchin & Johnson black enamel was added. The part was then baked in an oven for 2 hours at . Although some have claimed that the black finish increased the rate of heat rejection from the engine, its
Edward the Black Prince to the main body of his army, and were all slain or taken prisoners. The French king had outstripped him, and his retreat was cut off by an army at least fifty thousand strong, while he had not, it is said, more than about two thousand men-at-arms, four thousand archers, and fifteen hundred light foot. Lancaster had endeavoured to come to his relief, but had been stopped by the French at Pont-de-Cé. When the Black Prince knew that the French army lay between him and Poitiers, he took up his position on some rising ground to the south-east of the