La Norton International o Cammy Norton è una motocicletta a camma sospesa (OHC) della Norton Motors Ltd tra il 1931 e il 1957. Corse al Goodwood Festival
3799 x 2517 px | 32,2 x 21,3 cm | 12,7 x 8,4 inches | 300dpi
Data acquisizione:
27 giugno 2014
Ubicazione:
Goodwood, West Sussex, UK
Altre informazioni:
The Norton International or Cammy Norton is a Norton Motors Ltd overhead cam (OHC) motorcycle between 1931 and 1957. More than a TT replica sports roadster, the OHC Model 30, was 500 cc and the OHC Model 40 was 350 cc. During the 1930s it could be ordered from the Norton factory with all manner of racing parts fitted. Such factory bikes won many Isle of Man TT races during the 1930s, many of them 1-2-3 results. Norton factory riders on Inters, including Jimmie Guthrie, Jimmy Simpson, Stanley Woods were household names of the era. Production of the Model 30 and 40 International ended temporarily on the outbreak of World War II. Production of the Inter resumed for 1947, and continued until 1957. Although the engine continued almost from first to last unchanged, the famed featherbed frame was adopted for the 1953 models. By the 1950s though, the model was outdated and outclassed by the new twins and shared only the featherbed frame with its postwar Manx racing cousins, and only sold in small numbers. In the final years the Inter was not even mentioned in the catalog and was available only to special order. The name International was first used by Norton both for its newly designed race bikes and also for the TT replica sports roadster in 1932. Overseen by Joe Craig, Arthur Carroll had designed an overhead-camshaft engine for the works racers and although it retained the 79 mm × 100 mm (3.1 in × 3.9 in) bore and stroke of the Norton CS1 the Model 30 International was all new. The racing heritage led to quickly detachable wheels and hairpin type valve springs that could be changed rapidly when racing. In 1935 works Norton team rider Jimmie Guthrie set a number of world speed records on a Norton International at the concrete bowl track in Montlhery, France. As well as setting a new one-hour world record at a speed of 114.09 miles per hour (183.61 km/h), he also broke the 50 km (31 mi), 50 mi (80 km), 100 km (62 mi) and 100 mi (160 km) records.
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