Sinclair C5 major consumer organisations published sceptical evaluations. The Automobile Association questioned many of Sinclair's claims in a report published at the start of May. It found that the range of the vehicle was typically only about 10 miles (16 km) rather than the promised by Sinclair, and reported that the C5's battery ran flat after only on a cold day. The C5's running speed was more usually around than the claimed , while its running costs compared unfavourably to that of a petrol-driven Honda PX50 moped. The stability, general roadworthiness, and especially the safety of the C5 were questioned, and the
History of personal computers and only about 2 million machines were produced by the end of their production run. Sinclair Research Ltd is a British consumer electronics company founded by Sir Clive Sinclair in Cambridge. It was incorporated in 1973 as Ablesdeal Ltd. and renamed "Westminster Mail Order Ltd" and then "Sinclair Instrument Ltd." in 1975. The company remained dormant until 1976, when it was activated with the intention of continuing Sinclair's commercial work from his earlier company Sinclair Radionics; it adopted the name Sinclair Research in 1981. In 1980, Clive Sinclair entered the home computer market with the ZX80 at £99.95, at the