In a few of the latest cars in the marketplace, you can change gears by simply pressing a button, turning a knob or toggling a small joystick. Yet simultaneously, plenty of different vehicles still require motorists to make use of one foot for the clutch pedal and another for the gas, all when using one hand to manipulate the gear-change lever through a definite design of positions. And many other current cars don’t have any traditional gears at all within their transmissions.

But regardless of whether a vehicle has a fancy automatic, an old-school manual or a modern-day continuously variable tranny (CVT), each unit has to do the same work: help transmit the engine’s output to the generating wheels. It’s a complicated task that we’ll make an effort to make a little simpler today, starting with the basics about why a transmitting is needed to begin with.
Let’s actually start with the typical internal combustion engine. As the fuel-air mixture ignites in the cylinders, the pistons start 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 quicker 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 performance with the wheels moving Variable Speed Transmission slower compared to the engine, while with a higher gear, optimum performance comes with the wheels moving quicker.
With a manual transmission, gear shifting is handled by the driver via a gear selector. A lot of today’s cars have five or six forward gears, but you’ll find older models with from three to six forwards gears offered.

A clutch can be used to transmit torque from a car’s engine to its manual tranny. The various gears in a manual tranny allow the car to travel at different speeds. Bigger gears offer lots of torque but lower speeds, while smaller gears deliver less torque and invite the car travel more quickly.