Powertrain Parts At Work

an body is composed of different organs. Every organcombustion takes place internally.
has a specific task to perform and must work inAnd because of the physics of the gasoline engine,
coordination with each other in order for the body tocars need transmissions, which is the second part of
function well.the powertrain. Any engine has a maximum rpm value
The same is true with a car. The car has differentwhich is called the redline.If the engine goes over this
parts functioning together to make it work. Take forvalue, it will definitely explode since engines have
example the powertrain in a car. The powertrain isnarrow rpm ranges where horsepower and torque
made up of four parts, namely the engine, transmission,are at their maximum. Engines typically operate over a
driveshafts, differentials and the final drive.range of 600 to about 6000 revolutions, though this
Ever wonder how your car works? It has everythingdiffers from design to design. On the other hand, the
to do with the powertrain. So how does thiscar's wheels rotate between 0 rpm and around 2500
powertrain work? The powertrain has componentsrpm. The transmission allows the great ratio between
that work together to generate power and deliver it tothe engine and the drive wheels to change as the car
where the power will be used or applied. In simplerspeeds up and slows down. This is why you shift
terms, we can say that the power is supplied from thegears so that the engine can stay below the red line
engine, via the gearbox to a driveshaft, which runs toand near the rpm band of its best performance. The
the real axle. But for information purposes, I will discusstransmission is connected to the engine through the
each part and its function.clutch. The input shaft of the transmission therefore
The first part is the engine. The internal combustionreturns at the same rpm of the engine.
engine is a heat engine in which the burning of fuelThe driveshaft, on the other hand, is a mechanical
occurs in a confined space called a combustiondevice used for transferring power from the engine to
chamber. This exothermic reaction of a fuel with anthe point where useful work is applied, which is usually
oxidizer creates gases of high temperature andthe wheels. The driveshaft are carries of torque which
pressure which are permitted to expand. The definingis the main reason why they need to be strong.
feature of an internal combustion engine is that usefulThe differential is a device consisting of gears specially
work is performed by the expanding hot gases actingdesigned to drive a pair of wheels with equal force,
directly to cause movement, for example by acting onwhile allowing them to rotate at different speeds.
pistons, rotors, or even by pressing on and moving theWithout the differential, there will surely be damages to
entire engine itself.tires, strain on the entire drivetrain and difficult handling.
The purpose of a gasoline car engine is to convertAnd lastly, the final drive is the set of drive wheels.
gasoline into motion so that your car can move.All these parts of the powertrain contributes to the the
Currently the easiest way to create motion fromprocess of generating power from the engine and
gasoline is to burn the gasoline inside an engine.delivering it to the wheels. We can therefore say that
Therefore, a car engine is n internal combustion enginethe powertrain is the heart and soul of your car.