Clive Sinclair 1985 owing to Sinclair's financial troubles.) The following year, he received a knighthood and formed Sinclair Vehicles Ltd. to develop electric vehicles, which resulted in the unsuccessful Sinclair C5 in 1985. In 1984, Sinclair launched the Sinclair QL computer, intended for professional users. Development of the ZX Spectrum continued with the enhanced ZX Spectrum 128 in 1985. In April 1986, Sinclair Research sold the Sinclair trademark and computer business to Amstrad for £5 million. Sinclair Research Ltd. was reduced to an R&D business and holding company, with shareholdings in several spin-off companies, formed to exploit technologies developed by the company.
Clive Steele survived by his wife; the couple were childless. Steele Barracks, the current home of the School of Military Engineering, is named in Sir Clive Steele's honour. Clive Steele Major General Sir Clive Selwyn Steele, (30 September 1892 – 5 August 1955) was an engineer and a senior officer of the Australian Army who served in both the First and Second World Wars. He was instrumental in the expansion of the Royal Australian Engineers (RAE) in preparation for the war against Japan. Born on 30 September 1892 at Canterbury, Melbourne the son of Herbert Selwyn Steele and Alice Lydia née Sinclair,