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 Personal public transport Personal public transport (PPT) is a network of vehicles distributed throughout an area and available to the general public in such a way that each user has the ability to determine the route and schedule on a self-service basis. The design of a PPT system encourages utility (usually trips) over revenue. While most public transport systems operate on specific routes with set timetables, PPT systems utilize a network of vehicles at various locations for users when they desire them, allowing those users to take any route that serves their needs and to return the vehicle to any