Guy Martin in the Division C (streamlined motorcycle) category, the Triumph Rocket Streamliner is 25.5 feet long, powered by two turbocharged, methanol fuelled, Triumph Rocket III engines, enclosed in a carbon Kevlar monocoque. A documentary about the attempt was made for Channel 4. His August 2015 crash at the Ulster GP caused the attempt to be postponed until September 2016. Martin's quest to set a new two-wheeled world land speed record was called off due to conditions on the course. The attempt, on the purpose-built 400 mph motorcycle, suffered a number of setbacks at the track at Bonneville Salt Flats, in Utah,
Triumph Engineering for their latest motorbike. By the mid-1920s Triumph had become one of Britain's main motorcycle and car makers, with a plant capable of producing as many as 30,000 motorcycles and cars each year. Triumph also found its bicycles demanded overseas, and export sales became a primary source of the company's revenues, although for the United States, Triumph models were manufactured by licence. The company's first automotive success was the Super Seven model, which debuted in 1928. Soon after, the Super Eight model was developed. When the Great Depression began in 1929, Triumph sold its German subsidiary as a separate, independently