Vincent Black Shadow high temperatures at the track that year. Big-end failures put an early end to the attempt but several records were achieved including the 6 Hours and 1000 Kilometres by a Black Shadow. One of the spare engines for the run at Montlhéry wound up in Vietnam. It was sold to an owner in the United States, who installed it in a Rapide frame. The bike changed hands several times before being bought by Herb Harris and restored to Black Shadow specifications. Vincent Black Shadow Motorcycles produced by Vincent H·R·D at their factory in Stevenage, Hertfordshire, England were renowned for their
Black Prince (tank) derivative; all had better mobility than the Black Prince and the Centurion had frontal armour of comparable effectiveness. The Black Prince had become redundant and the project was abandoned. The Black Prince marked the end of the development of the A22F Churchill Mk VII, and the end of the Infantry tank concept in British tank design. The only intact Black Prince is held by The Tank Museum in Bovington, UK; it is the fourth of the six prototypes that were built. It has recently been restored to running condition. A Black Prince hull recovered from Salisbury Plain is held by