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
Black Prince (tank) Black Prince (tank) Tank, Infantry, Black Prince (A43) is the name that was assigned to an experimental development of the Churchill tank with a larger, wider hull and a QF 17-pounder (76 mm) gun. It was named after Edward, the Black Prince, a famous 14th century military leader. As a development from the Churchill, the Black Prince was a continuation of the line of Infantry tanks, that is slower, heavier tanks intended to operate in close support of infantry. It also was able to work close with other tanks. The parallel development in British tank design were the Cruiser tanks,