Bluebird-Proteus CN7 taken at Goodwood Following the low-speed tests conducted at Goodwood, the CN7 was taken to the Bonneville Salt Flats in Utah, USA, scene of Campbell's father's last LSR triumph in 1935. In early September, CN7 accelerated from a standing start to just under in 24 seconds covering 1.5 miles, using approximately 80 per cent of the engine's full power. The LSR attempt however, which was heavily sponsored by BP, Dunlop, and other British motor component companies, was unsuccessful and CN7 was severely damaged during a high-speed crash on 16 September. Campbell suffered a fracture to his lower skull, a broken
Triumph Model H by the end of the war in 1918. The Triumph Engineering Co Ltd had been using the advertising slogan "Trusty Triumph" since 1910 and the Model H became known as 'The Trusty' as it proved reliable in wartime conditions, despite a weakness in the front fork spring. This was prone to break on rough ground, so despatch riders would strap a leather belt around it as a precaution. After the war, the motorcycle didn't have enough speed for racing, which was one of the principle markets for motorcycles at the time, so Triumph moved on to a motorcycle designed by