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The Difference Between Manual, Automatic, Continuously Variable And Dual-Clutch Transmission

A transmission is a device in a car that changes the speed of the engine, these changes are based on the amount of power needed. In simpler terms, the transmission helps to transfer power from the engine to the wheels of the car.

Most people are only familiar with manual and automatic transmissions, this is why today I'll get to tell you all about other types of transmissions and what makes them different from each other.

1. Manual Transmission

One of the oldest types of transmission is a manual transmission. To fully operate the car the driver needs to press down on the clutch which disengages the gearbox from the engine, and then you have to select the gear you want, and then depress the clutch which will then engage the transmission.

Cars that have this type of transmission are quite challenging to drive because the driver needs to master smooth hand and leg coordination to operate the car well.


2. Automatic Transmission

In a car with automatic transmission, there is no need for the driver to change gears because this is done by the vehicle's computer system which uses hydraulic power to change the gear based on the car's sensors.

In an automatic transmission, there is no clutch instead there is a torque converter that is connected to a planetary gearset, this torque converter simply takes over the job of a clutch in a manual car.


To fully operate a car with an automatic transmission all the driver has to do is just put the car in “D” that is drive and then the gearbox will handle the shifting itself. There are no clutch pedals in automatic transmission cars just the accelerator and the brake pedal.


3. Continuously variable transmission (CVT)

The CVT is a type of automatic transmission but the difference is that it has no gears. It operates using a type of belt or chain that runs between 2 pulleys which are shaped like cones, which then produce a continuous gear ratio that varies.

In this type of transmission, it is the car's computer that determines how to adjust the pulley to create the right ratio for the current driving condition.


4. Dual-Clutch Transmission (DCT)

The Dual-Clutch Transmission is simply a hybrid of a manual and automatic transmission, it behaves like 2 automated manual transmissions.

In this type of transmission, there is no torque converter rather there are 2 different shafts that have their clutches, one is connected to odd gears while the other is connected to the even gears.

And just like the automatic transmission, the driver doesn't change gears, gear changes are made by the electronic control module.


5. intelligent manual transmission (IMT)

In this type of transmission, there is a clutch but it is operated automatically through different sensors but not the clutch pedal, however, the driver has to manually shift the gears.


6. Automated manual transmission (AMT)

The (AMT) can be called a clutchless manual, here the actuators shift gears and control the clutch.

Photo credit: Google.

Content created and supplied by: Freddy's (via Opera News )

Manual Transmission

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