La transmission à variation continue

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If you have ever driven a "moped", you've already dealt with the principle of continuous variation! The speed varies gradually, without gearshift.
The most common system is composed of a metal belt and pulleys, the conical winding diameter varies automatically according to the engine speed.
Some models are still a batch mode, allowing the driver to pass himself reports using a lever.
For now, its high cost of production usually reserve this type of transmission in high-end models.

advantages:

driving comfort (fresh Conduct)
operation totally devoid of jerks
range of high variation (equivalent to a minimum of 6 classic reports)
auto or sequential mode available
cons:

overconsumption nervous reactions (literally Braille engine during hard acceleration, and says braille says consumes ...)
grip that can be disconcerting
no performance driving
Some examples: Nissan Xtronic, Autoronic Mercedes, Audi Multitronic ...

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