Vincent Black Knight from the saddle and a single damper replaced the twin rear shocks. The frame was also modified with the strong steel 'backbone' was replaced with a single tubular strut bolted to the steering head (which proved much weaker). The Black Knight was launched at the 1954 Earls Court motorcycle show, together with the 998cc Vincent Black Prince (an enclosed version of the Black Shadow ) and the 500cc Vincent Victor (which never went into production as only the prototype was ever built). There was a lot of interest but much of it was critical, and the Black Knight/Black Prince models
HMS Black Prince (81) Prince" was reduced to extended 3rd class reserve, and used as an accommodation ship for refitting warships and spare part source for s 1960-1 refit, before reverting to Royal Navy control, for disposal, in line with its loan terms. She was sold for scrap in March 1962 and towed from Auckland on 5 April to the Mitsui & Company, Osaka breakage yards, Japan, by the tug , arriving there on 2 May 1962. HMS Black Prince (81) HMS "Black Prince was a light cruiser of the Royal Navy, of the "Bellona" subgroup. The cruiser was commissioned in 1943, and served