Sinclair Zike maximum speed of the bicycle operating under its own power was kept below 15 miles per hour to prevent it being classified as a motorcycle under UK law. The Sinclair Zike was developed by Sir Clive Sinclair following the commercial failure of the Sinclair C5 in 1985. Electric vehicles were one of his long-term research ambitions. The Zike was financed largely with his own money, and the manufacture was subcontracted to Tudor Webasto, a Birmingham-based company. The Zike was launched on 5 March 1992 at the Cyclex exhibition in Olympia, London, when a prototype was demonstrated to both press and
Prisoner transport vehicle escort high-risk transports. With this in mind, vehicles may also be equipped with radio communications, global positioning units, additional restraints and weapons, and other emergency equipment. To add additional security, prisoners are typically restrained while in transport and may be physically secured to the vehicle, handcuffed while in the secured area, or a combination of both. Prisoner transport vehicles may be operated by police services (see paddywagon), correctional services, field officers, court services, federal agencies such as the United States Marshals Service, or be contracted to private security companies. Prison buses were widely used in the late 1900's to transport