Sinclair C5 to guide development. Gus Desbarats, the C5's industrial designer, attributes the vehicle's flawed concept to Sinclair operating in a "bubble" and believes that Sinclair "failed to understand the difference between a new market, computing, and a mature one, transport, where there were more benchmarks to compare against". He comments that the experience of working on the C5 convinced him of the need for industrial designers such as himself to get "involved early in the innovation process, shaping basic configurations, never again [being] satisfied to simply decorate a fundamentally bad idea". Sinclair himself said in 2005 that the C5 "was early
Sinclair Research form of the "Z1 Micro AM Radio". In 2003, the Sinclair "ZA20 Wheelchair Drive Unit" was introduced, designed and manufactured in conjunction with Hong Kong's Daka Designs, a partnership which also led to the SeaDoo Sea Scooter underwater propulsion unit. July 2006 saw the release of the A-bike, a folding bicycle invented by Sinclair, which was on sale for £200. It had been originally announced two years previously. In November 2010, Sinclair Research announced the X-1 two-wheel electric vehicle, which failed to reach production. The Wrist Calculator was released by Sinclair Instrument in 1977. The MK14 (Microcomputer Kit 14) was