Manual
transmissions have remained relatively unchanged throughout the years, while
other transmissions like automatic transmissions, semi-automatic transmissions
and CVT’s have become increasingly complex, but easier to use.
Today,
we’ll discuss the different types of transmission, how they work and advantages
and disadvantages of each one.
Manual
Transmission
Most
modern manual transmissions today has five or six forward gears. A manual
transmission is connected to the engine via a clutch, which if disengaged,
removes torque from the system. With the clutch engaged, power is delivered to
the transmission through an input shaft from the primary cluster, and rotates
through different speeds to the cluster.
Pros:
·
Cheap Repair;
·
Extremely robust and can handle high torque loads;
·
Very reliable and relatively easy to maintain and repair;
·
Solid link between the wheels and engine.
Cons:
·
Can be difficult to operate for drivers who are accustomed to
automatic transmission
CVT or
Continuous Variable Transmission
Unlike
other transmissions, this kind of transmission doesn’t use gears to produce
various vehicle speed. Instead of gears, the system relies on a rubber or metal
belt running over pulleys. And to keep the belt at its optimum tension, one
pulley will increase the effective diameter while the other decreases its
effective diameter by exactly the same amount.
Pros:
·
Better fuel efficiency;
·
Faster response to changing driving conditions;
·
Eliminates energy losses associated with torque converters;
·
Constant acceleration throughout the engine’s optimum operating
range;
·
Provides a comfortable ride by eliminating Shift Shock.
Cons:
·
Unsuitable for off-road environments
·
Cannot provide engine braking
Full Automatic Transmission
In an
automatic transmission, the hydraulic operated control system is managed
electronically by the vehicle’s computer. All the driver has to do is shift the
selector from Park, Neutral and into Drive and the gear shifting will take
place automatically and smoothly.
Pros:
·
Very easy to use;
·
Modern Automatic Transmission can match the manual’s fuel
efficiency and performance;
·
Provides a comfortable driving experience.
Cons:
·
Can be Unsuitable for off-road because it doesn’t provide engine
braking
·
More complex system.
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