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In some of the newest cars out there, you can shift gears simply by pressing a button, turning a knob or toggling a little joystick. Yet at the same time, plenty of different vehicles still require motorists to use one foot for the clutch pedal and another for the gas, all while using one hand to manipulate the gear-change lever through a distinct pattern of positions. And many other current cars don’t possess any traditional gears at all within their transmissions.

But regardless of whether a vehicle has a fancy automatic, an old-college manual or a modern-day consistently variable transmitting (CVT), each unit has to do the same work: help transmit the engine’s output to the Variable Speed Transmission traveling wheels. It’s a complicated task that we’ll make an effort to make a little simpler today, you start with the fundamentals about why a transmission is needed to begin with.
Let’s actually start with the normal internal combustion engine. As the fuel-air mixture ignites in the cylinders, the pistons begin upgrading and down, and that movement is utilized to spin the car’s crankshaft. When the driver presses on the gas pedal, there’s more fuel to burn in the cylinders and the whole process moves faster and faster.

What the transmission does is change the ratio between how fast the engine is spinning and how fast the driving wheels are moving. A lesser gear means optimum overall performance with the tires moving slower compared to the engine, while with an increased gear, optimum performance includes the wheels moving quicker.
With a manual transmission, gear shifting is handled by the driver via a gear selector. Many of today’s cars have got five or six forwards gears, but you’ll find older models with from three to six forward gears offered.

A clutch is utilized to transmit torque from a car’s engine to its manual transmitting. The various gears in a manual tranny allow the car to travel at different speeds. Larger gears offer plenty of torque but lower speeds, while smaller sized gears deliver less torque and allow the car travel quicker.