Sinclair C5 the event they did not, the project could not continue, due to thermal problems. Neither the C10 nor the C15 ever left the drawing board. Although Sinclair went on to produce more (but much smaller) electric vehicles, the C5 debacle did lasting damage to the reputation of subsequent EVs in the UK, which the media routinely compared to the C5. It was not until a highly regarded manufacturer, Toyota, launched a serious and well-received vehicle in the 1990s, the Prius, that the C5 "jinx" was finally laid to rest. In 2017 Sir Clive's nephew Grant Sinclair presented what he called
Clive Sinclair "Sinclair Radio" was available but did not sound right. Sinclair Radionics was formed on 25 July 1961. Sinclair made two attempts to raise startup capital to advertise his inventions and buy components. He designed PCB kits and licensed some technology. Then he took his design for a miniature transistor pocket radio and sought a backer for its production in kit form. Eventually he found someone who agreed to buy 55% of his company for £3,000 but the deal did not go through. Sinclair, unable to find capital, joined United Trade Press (UTP) as technical editor of "Instrument Practice". Sinclair appeared