Dyno FAQs

Find answers to our most frequently asked questions below. If you can't find the answer you're looking for, then just fill in the form at the bottom of the page and we'll do our best to help! We usually reply to questions within 1-2 business days.

Items	Rating	Hits
Are hub-type dynamometers more accurate because they remove the tyres, which are non-repeatable and inconsistent?		2902
As far as the aero factor goes, is there any correlation to the coefficient of drag for a vehicle? For example, my car is a 0.36, whereas a BMW 3-series is a 0.28.		829
Can I test automatic transmission vehicles on a dreamscience Dynamometer?		5265
Can my car come off of a roller dyno and crash?		3556
Do hub-type dynamometers offer more accuracy because they can read small changes in output?		3838
How does wheel torque compare to engine torque?		1236
If an Inertial Dynamometer doesn’t allow for steady state engine tuning, why use an inertial dynamometer?		1017
Is an inertia dynamometer more repeatable then an eddy current dynamometer (or vice versa)?		1099
We ran a test for my car at 3500lbs, which is the approximate weight of the vehicle with me in it + 1/2 a tank of petrol. Should we have used the curb weight instead?		1981
What does Steady State mean, and what type of Power Absorber is right for my application?		1861