QUOTE(DaViDcHiN @ Jan 29 2008, 01:11 AM)
CVT doesn't mean 7 speed auto, although a lot of people associate CVT with 7 speed auto due to the steermatic design.CVT means continuously variable transmission. You know when you buy a new car and look at the specs, they usually have a section for the gearbox saying gear 1 ratio is like 3.506, gear 2 is 1.872 and so on until gear 5 is like 0.782 or something like that? CVT doesn't have that. It just has a minimum and a maximum, which in this example, would be 3.506 and 0.782. The gear can be anything in between those numbers, i.e. infinite number of gears.
The benefit of this is that you main your engine RPM at optimum level (~2k i think, could be wrong here) the entire time so you don't get a very smooth acceleration curve and maintain good fuel consumption (since engine is almost always at the optimum level). People say its 7 speed because the steermatic allows you to "set" a virtual maximum for the gear. It doesn't really physically exist, but the gear box tries to limit the CVT to not go above those virtual ratios, so it gives the illusion of 7 "gears". In reality, they can put however many they want, 10, 20, 30 (although going so high would be a bit silly) so they just use 7.
Jan 29 2008, 09:26 AM

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