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Old April 6th, 2004, 18:51   #11
20IndigoBlue02
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Join Date: Aug 2001
Location: North NJ
Default The absurdity of fixed percentage drivetrain loss

Maybe for us (and other VAG products), maybe using the data logging feature of the VAG-COM could be a standard. Of course, one of the variables is weight.

If you want to do a find out the actual drivetrain loss for a particular car, the only way to do it is performing an engine dyno, then chassis dyno (same shop)

Of course, the more cars tested...the better.

But since we're limited...say a 5 car sample size, then compare it to a Weibull distribution. If it's good for Weibull, you take the mean and characteristic life (63.2%).

Yes, when you do Weibull, it is typically used for time to failure
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