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 Model H Harry Ricardo, known as the Model R Roadster. When the Model H was discontinued in 1923 a total of 57,000 had been produced. Triumph Model H The Triumph Model H (also known as the 'Type H' and 'the Trusty') is a British motorcycle made by Triumph Engineering Co Ltd in Coventry, England. A total of 57,000 Triumph Model H motorcycles were made from 1915 until production ended in 1923. At the start of the First World War in 1914 the British Government needed effective communications with front line troops and replaced messengers on horses with despatch riders on motorcycles. A