Southern California Timing Association of guidelines to make dry lake land speed trials safer. Since its creation the SCTA in conjunction with its sister organization the Bonneville Nationals Inc. (BNI) have organized, sanctioned and recorded hundreds of meets and thousands of records. The organization holds two meets each year on the Bonneville Salt Flats in Utah . Speed Week is held in August and World Finals in October. The SCTA also holds six events at El Mirage Dry Lake in Southern California. It is responsible for ensuring compliance with BLM standards for use of public lands, safety regulations for competitors and spectators, technical inspection
Triumph Model H Model H was fitted with a 499 cc air-cooled four-stroke single-cylinder engine. It was also the first Triumph not to be fitted with pedals, so was a true motorcycle. Engine differences from the previous Model A included a single cam wheel with two cams replacing separate cam wheels for the inlet and exhaust valve, and new design of cylinder casting. Valve head diameter was enlarged and the valves were spaced further apart. The Model H was fitted with a Sturmey-Archer three-speed countershaft gearbox operated by a hand gear change lever. More than 30,000 Triumph Model H motorcycles had been produced