Bonneville Speedway the World of Speed, (similar to Speed Week) organized by the Utah Salt Flats Racing Association. The USFRA also meet on the first Wednesday of each month throughout the summer. In October, the Southern California Timing Association puts on World Finals, a scaled-down version of Speed Week. Each year, there are usually a few private meets that are not publicized scattered among the larger public meets. Numerous land speed records in various vehicle categories and classes have been set on the Bonneville speed way. In 1960, Mickey Thompson became the first American to break the barrier, hitting and surpassing John
Triumph Speed Twin as the model developed before disappearing altogether for the last year of production in 1966. The unit 500 engine continued development in the parallel Tiger 100 range ending with the Tiger Daytona models which ceased production in 1973. 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