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
F B swamp vehicle rubber floats attached to the track links in order to prevent the vehicle from sinking into the quagmire. The F B could also be used to transport men across water ways, powered by a drive propeller shaft. The S B swamp vehicle was the first prototype design built by the IJA for use as a military transport/personnel carrier for crossing swampy terrain and water ways. It was also designed to transport men across water ways, powered by a drive propeller shaft. Built in 1933, like the subsequent F B vehicle it had rubber floats attached to its track links to