Vincent Black Shadow by Vincent's own Girdraulic blade-type girder variation that used a hydraulic damper in place of a coil spring. Another Series C change was the appearance of curved lugs for the seat stays. The brakes on Series B and Series C Black Shadows are dual single leading shoe (SLS) drums front and rear. Unlike the Rapide, the drums are not interchangeable front-to-rear on the Black Shadows. The Shadow drums are ribbed cast iron. The front drum has a small flange and is attached with five bolts, while the rear has a larger flange and is attached with ten bolts. The brakes
Black Prince (rocket) further development of the platform. The Black Prince itself has its origins in a proposed design was put forward by Desmond King-Hele and Doreen Gilmour of the Royal Aircraft Establishment (RAE) during 1957. As envisioned by this proposal, a expendable launch system could be developed using a mix of preexisting and in-development assets; the multi-stage launcher was to be formed of a Blue Streak first stage, a Black Knight (or Black Arrow) second stage, and a military solid rocket as a third stage. The proposal, which subsequently became widely known as the "Black Prince", quickly attracted the attention of a