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 Speed Twin Triumph Speed Twin The Speed Twin 5T is a motorcycle that was made by Triumph at their Coventry, and later Meriden factories. Edward Turner, Triumph’s Chief Designer and Managing Director, launched the Triumph Speed Twin at the 1937 National Motorcycle Show. It was a 500 cc OHV vertical twin in a lightweight frame and the first truly successful British parallel twin, setting the standard for many twins to follow. After World War II the Speed Twin was responsible for the survival of Triumph - and every major British marque offered a 500 cc twin designed on similar lines to the