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
HMS Black Prince (1861) HMS Black Prince (1861) HMS "Black Prince" was the third ship of that name to serve with the Royal Navy. She was the world's second ocean-going, iron-hulled, armoured warship, following her sister ship, . For a brief period the two s were the most powerful warships in the world, being virtually impregnable to the naval guns of the time. Rapid advances in naval technology left "Black Prince" and her sister obsolete within a short time, however, and she spent more time in reserve and training roles than in first-line service. "Black Prince" spent her active career with the Channel Fleet