Ab Jenkins Ab Jenkins David Abbott "Ab" Jenkins (January 25, 1883 – August 9, 1956) was the 24th mayor of Salt Lake City, Utah from 1940 to 1944 and was a professional race car driver. Jenkins' interest in motorsports began with racing motorcycles on dirt tracks and cross country. He then became interested in land speed records at the Bonneville Salt Flats. He was instrumental in establishing Bonneville as a location for such events, and in attracting overseas drivers such as George Eyston and Sir Malcolm Campbell to compete there. He drove the Duesenberg "Mormon Meteor" to a 24-hour average land speed
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