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The dynamometer is really a system used to measure physical pressure, power and torque generated by a motor.

Its inventor, Charles Babbage, is also referred to as the Daddy of Computing.

There are ostensibly two types of dynamometers: the initial one is bolted directly to an, and its named engine dyno, whilst the second type of dynamometer can measure strength and torque without removing the engine from the frame of the car, and its known as a chassis dyno.

An engine dynamometer measures power and torque right from the engine's crankshaft (or flywheel), when the engine is removed from the car. These dynos don't take in consideration power losses in the drive train, like the gearbox, transmission or differential.

Power is measured by a chassis dynamometer from the motor right through the wheels. The vehicle is parked on rollers and the output is calculated. These dynos may be fixed or portable.

The dynamometer works by applying different loads on the motor and by measuring the engine's ability to move force. It is attached to a pc which uses mathematics to calculate the output of the engine. The motor is run from idle to its utmost RPM and the output is calculated and interpreted on a graphic. Almost all facets of motor operation may be tested during a dyno run.

Broadly speaking, dynamometers are of good use in the refinement and development of modern day engine technology. The idea is to use a to compare and measure power transfer at different points on a vehicle, thus allowing the motor or drive train to be improved, to be able to get yourself a better power transfer. For example, if an dynamo shows that a particular engine achieves 400 Nm (300 lbfft) of torque, and a frame dynamo shows only 350 Nm (260 lbfft), this means that in order to recover the energy loss, the drive train should be examined and improved for maximum effectiveness.

Dynamometers are generally expensive devices, reserved for certain areas that use them for a particular function.

They are very handy, as they could analyze the entire way a vehicle is functioning, but they're often expensive. dodge caravan ecm