We’re about to walk you through one of the most amazing pieces of mechanical (and fluid) engineering in human history: the automatic transmission. Have you ever wondered how your car can shift into the appropriate gear without you having to do anything except for press on the gas pedal or brake? ![]() If you’ve been following Gearhead 101, you know how a car engine works, how the engine transfers the power it generates via the drivetrain, and how a manual transmission functions as sort of a power switchboard between the engine and the drivetrain.īut most people these days (at least if you live in the United States) drive cars with automatic transmissions. But correct tuning from the manufacturer can overcome this problem.Welcome back to Gearhead 101 - a series on the basics of how cars work for the automotive neophytes out there. DCT is not recommended for city driving with a lot of traffic because they tend to overheat in such driving conditions. Maintenance cost is high in this one as it is an advanced transmission system. Most high-performance cars use a DCT gearbox. In case of overtakes it instantly downshifts for quick acceleration. It is the quickest automatic gearbox gear shifting is very fast and smooth. They are also termed as Direct-Shift Gearbox Transmission (DSG). It is not a very new technology and over the years it has been perfected.ĭCT (Dual Clutch Transmission) are very smooth, responsive and sporty gearboxes. They borrow smoothness from a CVT and speed from a DCT, they come with a variety of engine options-turbo petrol, big diesel, etc., they are very well suited for such high-torque engines. Torque Converters offer a good balance between fuel efficiency and performance. It offers the most relaxed driving experience and can offer very good mileage in city driving, given that the throttle inputs are linear, smooth and consistent. ![]() It is the easiest to drive and smoothest of the lot. CVT is the most widely used technology as most scooters also use this technology. They cost around INR1.5 lakh more than a manual gearbox in the same car.
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