Dynamometers or dyno systems seem complicated but once you understand the basics it all becomes clear! A dynamometer is basically just a measuring tool, in the same way as voltmeters, scales or speedometers are.
Among force-measuring devices, dynamometers are a flexible metallic ring that bends when a force is applied in such a manner as to tend to collapse it (the amount of bending being a measure of the applied force) and a hydraulic load cell that measures compressive loads in terms of fluid pressure.
Once you have built your new motor, or fitted any tuning parts, it is very important to visit a good automotive Dynamometer or rolling road. If you don’t, then you will never be able to properly set up your engine.
A good dynamometer allows you to use a gas analyzer while under load so you can see the real air fuel mixture at all RPM’s while driving.
Power-measuring dynamometers may be either transmission dynamometers or absorption dynamometers. The former utilize devices that measure torque, in terms of the elastic twist of the shaft or of a special torquemeter inserted between some sections of the shaft. The torque is produced by the...
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