johnc Posted April 14, 2009 Share Posted April 14, 2009 I mean, it should be measurable on a wheel dyno if it makes a difference in the rate of acceleration. Correct and a lightened flywheel will increase the rate of acceleration of a vehicle. The same as lighter wheels and tires. But it does not increase the horsepower an engine puts out - which is essentially a thermodynamic process. Remember, a chassis dyno measures the ability of the engine and drive line to accelerate a mass and then a calculation is performed to determine horsepower. If you were to hold the engine/chassis at the max horsepower rpm on a chassis dyno (as you can on an engine dyno) there would be a statistically insignificant difference in horsepower resulting from the calculation with or without the lightened flywheel. Quote Link to comment Share on other sites More sharing options...
thehelix112 Posted April 14, 2009 Share Posted April 14, 2009 John, I believe thats true of inerter-based dynos like dynojet, but not true of electromagnetic resistance chassis dynos like dyno dynamics. Dave Quote Link to comment Share on other sites More sharing options...
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