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Old 08-08-2012, 06:39 PM   #3054
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Joined: Apr 2003
Location: Long Beach, CA
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Originally Posted by roger 04 rt View Post

The lower plot shows what happens after I shift the temp by -20C.
The whole Open loop curve gets about 6% richer. That's what the device is supposed to do.
Yes, that's the thing Roger. A lambda cell (O2 sensor) is good for measuring long term trends, provided the other variables are constrained. But a long term trend isn't what we're after.

You can't feel a long term trend. What you can feel, and what people report feeling, is the riding pleasure derived from dynamic events. Specifically, what your butt dyno feels is the first derivative of those dynamic events.

Good thing too, because tools like O2 sensors and dynos don't do a good job of measuring them.

p.s.: I certainly appreciate the graphs you post up.


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