Sinclair Vehicles poor reception given to the C5 by the press and public meant that these models would never reach production. In August 1985, Hoover, the manufacturer of the C5, announced that production would be stopped due to a financial dispute with Sinclair Vehicles. The following month, Sinclair Vehicles were renamed as TPD Ltd. On 15 October 1985, it was announced that TPD were in receivership and the company entered voluntary liquidation on 4 November 1985. Sinclair Vehicles Sinclair Vehicles Ltd was a company formed in March 1983 by Sir Clive Sinclair as a focus for his work in the field of
Clive Sinclair carried on public transport. Sinclair's father and grandfather were engineers; both had been apprentices at Vickers the shipbuilders. His grandfather George Sinclair was an innovative naval architect who got the "paravane", a mine sweeping device, to work. George Sinclair's son, George William "Bill" Sinclair, wanted to take religious orders or become a journalist. His father suggested he train as an engineer first; Bill became a mechanical engineer and remained in the field. At the outbreak of World War II in 1939 he was running his own machine tools business in London, and later worked for the Ministry of Supply. Clive