Have a look through these pages to learn more about the automatic transmission. The current automatic transmission has grown into a learning computer, with its sole purpose to optimize the drivers experience. Only think of the fact it started with 2 speeds to the dazzling 9 speeds of today and you might understand why we are so passionate about this technical masterpiece. The most commonly known automatic gearbox is hydraulically operated, equipped with a fluid coupling or torque converter, and a set of planetary gear sets to provide a range of gear ratios.Įver since the beginning the Automatic Transmission has made an interesting progress. A genuine step forward in a time where rocky manual shifting regularly led to nerve (and car-) breakdowns. The so-called Hydra-Matic had a fluid coupling and three hydraulically controlled planetary gear sets, which resulted in four forward speeds plus reverse. It was not until 1940 after General Motors invested in the idea, that the first mass-produced fully automatic transmission was launched. Alfred Horner Munro ended up with the patent to. It was a two-speed transmission with a forward speed and reverse gear and no clutch pedal, allowing drivers to change gears without having to manually disengage the clutch. The transmission was simple and very durable, which satisfied customers. In 1921, the first automatic transmission was invented by a Canadian steam engineer, Alfred Horner Munro. The first automatic transmission prototype was developed in the early 1900s, soon after the invention of the internal combustion engine. The idea was born, but as with so many inventions, Sturtevant was too far ahead of his time. When introduced on upper-level Chevrolet models in 1950, the Powerglide represented the first automatic transmission offered in a low-priced automobile in contrast, Ford did not offer their automatic transmission until 1951, while Plymouth car buyers had to wait until 1954. Sturtevant designed world’s first automatic transmission. This early automatic transmission was built by the Sturtevant brothers in Boston in 1904, and featured 2 forward speeds (but no reverse gear) and it was driven by weights that were. Before we go into the specs of this great transmission, just a short dive into history. The very first iteration of the automatic transmission is consiered to be the 1904 Sturtevant 'horseless carriage gearbox'.
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