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 for a single trip on public thoroughfares either shared by other modes or segregated. The user is responsible for adhering to all laws and regulations while using the vehicle and enforcement is done through existing public law enforcement mechanisms such as licensing and ticketing. While a PPT is a general public transport service, it generally requires users to be registered with the system or to pay a deposit to ensure the return of the vehicle in good working condition. The tipping point of successful PPT systems has been the application of information technology systems (ITS) enabling user identification and vehicle