Do Dynos Lie?
 

Do Dynos Lie?
http://image.dieselpowermag.com/f/te...00_on_dyno.jpg
How Dynos Work and What You Need To Do To Get the Best Power Numbers PossibleOne of the most common ways of measuring a diesel truck’s horsepower and torque is running it on a chassis dynamometer, known as a dyno, for short. Perhaps the simplest type of dyno is an inertia dyno, which is a device that measures the time it takes a vehicle to spin a large set of steel rollers. Using a mathematic formula , the dyno’s computer spits out a horsepower number. Most dynos will also provide a torque number if the engine speed (rpm) is measured. Dynojet 248s are the most commonly used inertia dyno.



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