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Joshstix
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Toymods Vice President

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May 2002

Re: Gear used for Dyno run?

Fri, 08 July 2005 07:05

GefGef wrote on Thu, 07 July 2005 20:39

justcallmefrank wrote on Thu, 07 July 2005 14:58

GefGef wrote on Thu, 07 July 2005 12:41

Running the car in as close to a 1:1 ratio as you can therefore gives you the most accurate torque reading, but it will always be very different to what the engine really has due to the torque multiplication through the diff.

Can people please let this 1:1 thing go? It's been explained above what is needed for Shootout mode.

All I was trying to say is why you would ever worry about what the gear ratio was in the first place. Read the whole post nuffy!

This is only my opinion and I know its going to upset people but "shootout mode" is a bit of a joke. All it does is bring those dynos up to par with the better dynos out there!!!!!

Geoff

What are these better dyno's you're talking about and how do you define them as "better"?

The reason why the run is not necessarily done in a 1:1 gear is that the most accurate and repeatable results come from running the car such that maximum power occurs at roughly 140Km/h when using a dyno dynamics dyno. Now I'm sure you know a lot better than the designers of the machinery as to how it should best be used but I'll stick with what they have to say.

Dyno-Dynamics didn't become an industry standard because they were bad, strangley enough it tends to be the other way around. What the shoot out software does is make the dyno run in a consistent fashion that is not influenced by the operator. Thereby taking out the biggest cause of inacuracy in most measurements, the bloke running the tool.

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