Sinclair Research "FM Wristwatch Radio", an LCD wristwatch with a radio attached. However, the watch had several problems and never went into full production. Sinclair had long had an interest in electric vehicles, and during the early 1980s he worked on the design of a single-seater "personal vehicle", eventually starting a company called Sinclair Vehicles Ltd in March 1983. He launched the Sinclair C5 electric vehicle on 10 January 1985, but it was a commercial disaster, selling only 17,000 units and losing Sinclair £7,000,000. Sinclair Vehicles went into liquidation later the same year. The failure of the C5, combined with those of
Personal public transport designated point within the coverage area. The user operates or directs, in an auto-drive vehicle, the vehicle to the destination versus this being done by a driver or conductor in traditional public transport options. Similar to traditional public transport options, the system is managed by a transit authority or private transport operator but the pricing model encourages users to return the vehicle quickly. Maximizing vehicle utility over revenue means operators seek revenue from other sources such as advertising, subsidy and system sponsorship. Personal public transport was conceptualized to explain the unique difference in service provided over traditional public transport options